What San He Feng Shui Actually Is
San He Feng Shui, which translates as the Three Harmonies school, is one of the two great streams of classical Chinese feng shui. The other is San Yuan, the Three Cycles school. If you have read the Xuan Kong guide on this site, you already know San Yuan from that angle. San He is the older of the two, and it answers a different question. Where San Yuan tracks time cycles and star charts that change from era to era, San He reads the permanent relationship between land, water, and direction. It asks: given this mountain, this river, this orientation, what is the quality of the site? The answer is based on the 12 life stages of qi, the three harmonies of the Earthly Branches, and the direction water flows relative to where the building sits.
I teach San He alongside San Yuan because most serious feng shui practitioners eventually use both. The two systems do not contradict each other. They measure different dimensions of the same site. San He gives you the spatial reading: where to sit, where to face, how to read the water. San Yuan gives you the temporal reading: when the luck of a particular orientation activates, which decades are good, which are bad. A complete audit uses both. But you have to learn them separately, because their logic is different and mixing them before you understand each one leads to confused readings.
The reason most English-language feng shui books barely mention San He is that the school is heavily technical and does not simplify well. You cannot teach it in a weekend workshop. It requires you to learn the 24 mountains, the 12 life stages (Chang Sheng, Mu Yu, Guan Dai, Lin Guan, Di Wang, Shuai, Bing, Si, Mu, Jue, Tai, Yang), the four water exits, the three harmonies combinations, and the application of all of these to a real luopan reading. That is what this guide does. Every term I just listed will be explained in plain English with worked examples, and by the end you will be able to pick up a luopan, take a sitting and facing direction, and perform a basic San He water reading on any property.
The One-Sentence Version, for the Reader in a Hurry
San He Feng Shui evaluates a site by reading where water enters and exits relative to the 24 mountain directions of the building’s sitting and facing, using the 12 life stages of qi to determine whether the energy at the site is in its growth, peak, or decline phase. That is the system in one sentence. The three harmonies in the name refer to the four combinations of three Earthly Branches each (Shen-Zi-Chen for water, Hai-Mao-Wei for wood, Yin-Wu-Xu for fire, Si-You-Chou for metal) that define which directions are harmonious for a given sitting, and the 12 life stages tell you the quality of qi at each direction around the site.
I give the one-sentence version early because San He has the same problem as every other branch of Chinese metaphysics: it has been either over-mystified or over-simplified. The popular version tells you to place water features in certain corners and touches the surface of the 12 life stages without explaining how they actually work. The classical version, which is what I teach, is a rigorous compass method that takes a reading, maps it onto the luopan rings, and produces a specific, testable assessment of the site’s water energy. If you are going to learn it, learn the real thing, because the simplified version is wrong often enough to be useless.
One practical note before we proceed. San He is particularly important for grave siting (yin zhai) and for rural or landed properties where natural water features are present. For apartment living, where the water reading applies mainly to the building’s main entrance road and the internal water layout, San He still works but the application is more abstract. I cover both scenarios in the practical chapters. If you live in a high-rise, the sections on apartment application will help you translate the classical method to a modern context.
Where San He Sits in the History of Feng Shui
San He is the oldest systematic school of feng shui, and its roots go back to the Tang Dynasty (618 to 907 CE). The foundational text is generally attributed to Yang Yun Song, a court astronomer and feng shui master who served during the late Tang period. Yang Yun Song is one of the most important figures in the history of Chinese metaphysics, and his writings on landform analysis, water methods, and the 24 mountains established the framework that San He practitioners still use today. His major works include the Han Long Jing (Classic on Raising the Dragon), the Yi Long Jing (Classic on Auspicious Dragons), and the Tian Yu Jing (Classic on Heavenly Jade), and together these texts define the San He approach to reading mountains, water, and direction.
Schools develop because masters disagree, and the split between San He and San Yuan happened for a specific reason. The San He masters believed that the primary determinant of a site’s quality was its physical relationship to the landscape, the permanent features of mountain and water that do not change with time. The San Yuan masters, emerging later during the Song and Ming dynasties, argued that time was equally important: a site with good San He positioning could still be unlucky if the time cycle was unfavorable, and a mediocre San He site could become excellent during a favorable time period. Both were right, and both schools survived because they measured different things. The serious practitioner learns both and uses them together.
The history also explains why the two schools use the luopan differently. San He readings use the 24 mountains on the outer ring of the luopan, which divides the circle into 24 sectors of 15 degrees each. San Yuan readings use a different ring system, also based on the 24 mountains but interpreted through trigram combinations rather than the 12 life stages. If you read the Luo Pan guide on this site, you have seen a preview of this distinction. In San He practice, the 24 mountains are the primary diagnostic tool, and the 12 life stages are the interpretive framework that gives each mountain direction its meaning at a specific site.
The Three Harmonies: What the Name Means
The name San He, Three Harmonies, refers to a specific technical principle, not a general philosophy. Each of the twelve Earthly Branches combines with two others to form a harmonious trio, and there are four such trios, one for each of the five elements (with earth being the center that overlaps). The four trios are: Shen (monkey), Zi (rat), and Chen (dragon) form the water harmony trio. Hai (pig), Mao (rabbit), and Wei (goat) form the wood harmony trio. Yin (tiger), Wu (horse), and Xu (dog) form the fire harmony trio. Si (snake), You (rooster), and Chou (ox) form the metal harmony trio.
What makes these combinations harmonious is not arbitrary. Each trio consists of three branches that are 120 degrees apart on the compass (four positions apart in the 12-branch cycle). The number 120 is significant because it represents one-third of the full circle. Three branches each separated by 120 degrees create a balanced triangle, and in Chinese element theory, each trio generates or controls a specific element when combined. The Shen-Zi-Chen trio combines to produce water. The Hai-Mao-Wei trio combines to produce wood. The Yin-Wu-Xu trio combines to produce fire. The Si-You-Chou trio combines to produce metal.
In practice, these harmonies determine the water exits and water entries that are auspicious for a given sitting direction. If your building sits on a Chen (dragon) mountain, then the water exit at Shen (monkey) or Zi (rat) is harmonious because all three belong to the same water trio. Water leaving from a harmonious direction carries away stale energy without depleting the site. Water entering from a harmonious direction brings fresh, compatible energy. Water leaving from a disharmonious direction, by contrast, drains the site’s luck. This is the core application of the three harmonies, and I will work through specific examples in the practical chapter.
The concept also has a deeper cosmological meaning. The three harmonies reflect the Chinese understanding that things separated by large distances can still be connected through resonance. A dragon mountain in the northeast can be harmonious with a water exit in the southwest because they share the same elemental nature through their branch combination. This is not mysticism. It is the San He way of saying that the energy of a site is a system, and the relationships between directions matter as much as the individual directions themselves. When you read a site, you are not just checking whether the north is good or the south is bad. You are checking how the north, south, east, and west interact through their branch harmonies, and whether the water flow respects or violates those relationships.
The 24 Mountains: The Compass Foundation
The 24 mountains are the compass directions that form the basis of all San He readings. The full circle is divided into 24 sectors, each 15 degrees wide, and each sector is named using a combination of one of the eight trigram directions, one of the ten Heavenly Stems, and one of the twelve Earthly Branches. The naming is not random. The 24 mountains are constructed by taking the eight cardinal and inter-cardinal directions (north, northeast, east, southeast, south, southwest, west, northwest), each spanning 45 degrees, and subdividing each 45-degree sector into three 15-degree sub-sectors. The result is a compass with 24 named directions, each precisely 15 degrees wide, and this precision is what makes San He a measurable system rather than a vague one.
The naming convention follows a specific pattern. The cardinal directions (north, south, east, west) are named after the four Earthly Branches that occupy them: Zi (rat) for north, Wu (horse) for south, Mao (rabbit) for east, and You (rooster) for west. The inter-cardinal directions are named after the four trigrams: Qian for northwest, Kun for southwest, Gen for northeast, and Xun for southeast. The remaining 16 sectors are named using the eight Heavenly Stems and the remaining eight Earthly Branches, distributed according to their elemental associations with each direction. The result is a ring that interleaves stems, branches, and trigrams in a specific order that any San He practitioner must know.
I want you to see the actual 24 mountains in order, starting from north and going clockwise. The sequence is: Ren (north-1), Zi (north-2, the cardinal north), Gui (north-3), Chou (NE-1), Gen (NE-2, the trigram), Yin (NE-3), Jia (east-1), Mao (east-2, the cardinal east), Yi (east-3), Chen (SE-1), Xun (SE-2, the trigram), Si (SE-3), Bing (south-1), Wu (south-2, the cardinal south), Ding (south-3), Wei (SW-1), Kun (SW-2, the trigram), Shen (SW-3), Geng (west-1), You (west-2, the cardinal west), Xin (west-3), Xu (NW-1), Qian (NW-2, the trigram), Hai (NW-3). Each of these 24 mountains is a 15-degree sector, and when you take a luopan reading, the needle falls into one of these 24 sectors. That sector is the basis for everything else in San He analysis.
If the list looks intimidating, do not worry. You do not memorize it. You use the luopan, and the ring with the 24 mountains is printed on it. What you need to memorize is the system that attaches meaning to each mountain: the 12 life stages, the three harmonies, and the water methods. The 24 mountains are the input. The 12 life stages are the interpretation. If you understand how the two connect, the 24 mountains become a readable language rather than a list of names.
The 12 Life Stages: The Heart of San He
The 12 life stages are the interpretive core of San He, and they are the single most important concept to understand if you want to read a San He chart. The 12 stages represent the life cycle of qi as it moves through a site, from birth to death and back to birth again. Every direction on the 24-mountain ring has a life stage assigned to it, and the stage tells you whether the energy at that direction is in its productive, peak, or declining phase.
Here are the 12 stages in order, with their Chinese names and plain English meanings. Chang Sheng means Birth, the beginning of life, energy emerging. Mu Yu means Bathing, vulnerable and tender like a newborn being washed. Guan Dai means Cap and Belt, growing and developing toward maturity. Lin Guan means Official Appointment, strong and capable, ready for productive work. Di Wang means Emperor’s Prosperity, the absolute peak of power and energy. Shuai means Decline, energy beginning to decrease from the peak. Bing means Sickness, weakened and struggling. Si means Death, energy extinguished. Mu means Grave, energy buried and stored. Jue means Extinction, the energy is gone completely. Tai means Womb or Embryo, a new cycle beginning in potential. Yang means Nourishment, the new energy being nurtured before birth.
The genius of this system is that it maps the human life cycle onto the compass directions, and by doing so, it gives each direction a specific quality of energy. A site that sits so that the water enters from a Chang Sheng (Birth) direction is receiving fresh, newly emerging energy, which is excellent for starting ventures, growing families, and new beginnings. A site where the water exits from a Di Wang (Emperor’s Prosperity) direction is losing its most powerful energy, which is bad for sustained success. A site where the peak energy enters but the declining energy exits is ideal, because good energy comes in and stale energy leaves.
The assignment of life stages to the 24 mountains depends on the element of the sitting direction. Each of the five elements has a different starting point for the Chang Sheng (Birth) position, and the stages cycle clockwise from there. For fire elements, birth is at Yin (tiger). For water elements, birth is at Shen (monkey). For metal elements, birth is at Si (snake). For wood elements, birth is at Hai (pig). Earth follows the fire birth position in the standard system. Once you know where birth starts for the sitting element, the remaining 11 stages follow in sequence around the 24-mountain ring, and each 30-degree step (two mountains) moves you one life stage forward.
This is the mechanism that makes San He a technical system rather than a belief. You take the sitting direction, determine its element, place the Chang Sheng stage at the birth position for that element, and the remaining 11 stages fall into place around the ring. Then you look at where water enters and exits the site relative to those stages, and you have your reading. The method is repeatable and produces the same result regardless of the practitioner, which is what separates a system from an opinion.
How the Five Elements Determine the Life Stage Sequence
The 12 life stages do not start at the same compass direction for every site. They start at a different mountain for each of the five elements, and the sitting direction of your building determines which element is used. This is the part of San He that confuses beginners the most, so I am going to walk through it slowly with tables.
Each element has a fixed Chang Sheng (Birth) position on the 24-mountain ring. For fire, birth starts at Yin (tiger, 60 degrees). For water, birth starts at Shen (monkey, 240 degrees). For metal, birth starts at Si (snake, 150 degrees). For wood, birth starts at Hai (pig, 330 degrees). Earth shares the fire birth position at Yin in the most widely used system, though some schools place earth birth at Shen. I use the Yin convention because it is the one found in the Tian Yu Jing and the majority of classical San He texts.
Once the birth position is set, the 12 stages cycle clockwise around the ring, with each stage occupying two mountains (30 degrees). Here is the fire element example, because it is the easiest to visualize: Birth at Yin, Bathing at Mao, Cap and Belt at Chen, Official Appointment at Si, Emperor’s Prosperity at Wu, Decline at Wei, Sickness at Shen, Death at You, Grave at Xu, Extinction at Hai, Womb at Zi, Nourishment at Chou. Two mountains per stage, 12 stages, 24 mountains, full circle. That is the fire life stage map.
For water, the sequence is the reverse direction in the traditional system. Water birth starts at Shen and the stages run counter-clockwise. Birth at Shen, Bathing at Wei, Cap and Belt at Wu, Official Appointment at Si, Emperor’s Prosperity at Chen, Decline at Mao, Sickness at Yin, Death at Chou, Grave at Zi, Extinction at Hai, Womb at Xu, Nourishment at You. The counter-clockwise direction follows the water element’s natural flow in Chinese cosmology, because water is associated with the north and descending energy, while fire is associated with the south and ascending energy. The choice of clockwise versus counter-clockwise is one of the reasons San He has different sub-lineages, and if you encounter a practitioner who places the water stages clockwise, they are following a different convention. Both conventions produce valid readings as long as the system is applied consistently.
The practical step is to determine the element of your sitting direction and then place the life stages accordingly. If your building sits at Zi (north, 0 degrees), the sitting element is water. You place Birth at Shen, and the stages run counter-clockwise around the ring. You then read each direction on the site as having the stage that falls on it. The northeast (Chou) has the Death stage, which means energy there is extinguished, so it is not ideal for high-activity functions. The southeast (Chen) has the Emperor’s Prosperity stage, the peak of energy, which is excellent for a main entrance, a living room, or a business office. This is how the system translates a compass reading into practical advice.
The Four Water Exits and the Four Water Entries
Water exits and water entries are the most important features a San He practitioner reads on a site, more important than the internal layout of the building. The reason is that water represents the flow of qi, and where it enters and leaves determines whether the site accumulates energy or loses it. The Chinese saying is: mountain controls the people, water controls the wealth. If the water arrangement is bad, no amount of good mountain positioning will compensate.
A water exit is where water leaves the site. A water entry is where water arrives. In a natural landscape, the water exit is the downstream direction of the river leaving the property, and the water entry is the upstream direction where the river arrives. In an urban environment, the water exit is the road that carries traffic away from your building, and the water entry is the road that brings traffic in. You can also read the main drainage directions: where rainwater flows off the property, where the main drain is located, where the slope of the land sends water.
For a San He reading, the ideal configuration is called Sha Shen Ru Ju (杀神入局), which means the killing spirit enters the formation. Despite the ominous name, this is a good configuration. The water enters from a direction that has a Decline, Sickness, Death, Grave, or Extinction stage, and exits from a direction with Birth, Cap and Belt, Official Appointment, or Emperor’s Prosperity. The idea is that bad energy comes in and gets transformed, while the good energy that the site generates escapes through the exit. The reverse configuration, where good energy enters and bad energy exits, sounds more intuitive but it is actually less favorable because the good energy does not stay long enough to benefit the site.
There are four classic water exit patterns in San He, corresponding to the four three-harmony trios. Each trio defines a set of auspicious exit directions for a given sitting. The water exits that are harmonious are the ones that share the same three-harmony trio as the sitting direction. For example, if your building sits on a Shen (monkey) mountain, the harmonious water exits are at Zi (rat) and Chen (dragon), because Shen, Zi, and Chen form the water trio. Water exiting at any of these three directions is harmonious and the site retains its wealth energy. Water exiting at one of the eight directions that belong to the other three trios is considered draining and may indicate financial loss or health problems depending on the specific stage.
In my practice, I have seen the water exit principle work most clearly on landed properties with visible natural drainage. A house where the natural slope sends water toward a harmonious exit direction has a different quality of occupancy than one where the water drains toward a disharmonious direction. The effect is subtle but consistent: homes with good water exits tend to maintain a sense of stability and gradual financial improvement, while homes with poor exits often have chronic money issues that seem to come from no clear single cause. Whether this is because of qi flow or because of something more mundane about drainage, erosion, and psychological comfort, I leave to the reader’s judgment. But the pattern is real enough that I check it on every property I consult on.
The Luopan Rings for San He Practice
The San He luopan has a different ring arrangement than the San Yuan luopan, and if you are buying a compass for San He practice, you need the right type. A San He luopan typically has the 24 mountains on the outer ring, followed by the 12 life stages ring, the 28 constellations ring, the 60 hexagram ring (for San Yuan compatibility), and the 72 dragons ring. The essential San He rings are the 24 mountains and the 12 life stages. The other rings are used for advanced analysis and cross-referencing with San Yuan methods.
The 12 life stages ring on a San He luopan is laid out for a specific element, usually fire or water, and you must mentally adjust it for other elements. Some luopans have multiple life stage rings, one for each element, which saves you the mental rotation. The standard layout has the 24 mountains as the base ring and the life stages mapped onto it, so when you take a reading, you can immediately see which life stage falls on each direction by looking at the ring.
The 72 dragons ring is a San He innovation that subdivides the 24 mountains further. Each of the 24 mountains is divided into three 5-degree sub-sectors, and each sub-sector is assigned a specific element (one of the 60 Jiazi combinations or one of the 12 additional dragons). This fine-grained reading allows San He practitioners to distinguish between properties that sit on the same 15-degree mountain but differ by 5 degrees, which can change the life stage assignment. For beginners, the 24-mountain reading is sufficient. The 72-dragon refinement is used in advanced practice, particularly for grave siting where precision matters more.
The 28 constellations ring is used to cross-reference direction with celestial timing. Each of the 28 constellations occupies a specific degree range on the compass, and by checking which constellation sits over the facing direction, the practitioner can determine whether the site has cosmic support from the star sector. This is one of the features that links San He to the broader Chinese astronomical tradition, and it is part of why the luopan is called a feng shui compass rather than just a regular compass. The luopan encodes several layers of information simultaneously, and each ring is a different analytical layer that can be read independently or in combination with the others.
The Concept of Dragon and the Landform Connection
In San He, the dragon (long, 龙) is not a mythological creature. It is the ridge of land that carries the mountain energy to your site. Every piece of land sits at the end of a dragon vein, a chain of hills, ridges, or elevated ground that channels energy from higher elevations down to the building site. Reading the dragon is the first step in a San He audit because the quality of the dragon determines the quality of the qi available at the site.
A good dragon has three qualities. First, it comes from a distance, ideally from a prominent mountain range that represents a major energy source. The longer the dragon’s path, the more energy it accumulates. Second, it undulates, rising and falling in a rolling pattern rather than running in a straight line. The Chinese metaphor is that a healthy dragon moves like water, curving and flowing, while a dead dragon runs straight, which in feng shui is considered a harbinger of sha qi. Third, the dragon is protected by arms, the secondary ridges that flank the main dragon on both sides like the guards of a procession. These arms contain the energy and prevent it from dispersing.
The point where a dragon arrives at the site is called the xue, the feng shui spot or dragon’s den. In practical terms, the xue is the precise location where the energy concentrates and where you should place the building or grave. The ideal xue sits at the end of a descending dragon, has protective hills behind it (the black tortoise position), hills on the left (the green dragon) and right (the white tiger), and an open view to the front (the red bird) with water meandering across the foreground. This four-symbol configuration is the gold standard in San He, and it is the same template used in Form School feng shui.
If all of this sounds familiar from my other guides, that is because San He integrates form reading with compass reading. A San He audit combines the landform analysis (reading the dragon, the xue, the armchair configuration) with the compass analysis (24 mountains, 12 life stages, water methods). The form reading tells you which site is good. The compass reading tells you which orientation within the site is best, and when the luck activates. This integration is what makes San He a complete system rather than just a compass technique.
The Five Element Birth Positions: A Complete Reference Table
Here is the complete reference table for all five elements, showing where each life stage falls on the 24-mountain ring. I use the clockwise convention for all elements, which is the system found in the Tian Yu Jing and the most common modern practice. If your school uses the counter-clockwise convention for water, simply reverse the sequence.
For the fire element (birth at Yin), the stages proceed clockwise: Yin is Birth, Mao is Bathing, Chen is Cap and Belt, Si is Official Appointment, Wu is Emperor, Wei is Decline, Shen is Sickness, You is Death, Xu is Grave, Hai is Extinction, Zi is Womb, Chou is Nourishment. For the metal element (birth at Si), Si is Birth, Wu is Bathing, Wei is Cap and Belt, Shen is Official, You is Emperor, Xu is Decline, Hai is Sickness, Zi is Death, Chou is Grave, Yin is Extinction, Mao is Womb, Chen is Nourishment.
For the wood element (birth at Hai), Hai is Birth, Zi is Bathing, Chou is Cap and Belt, Yin is Official, Mao is Emperor, Chen is Decline, Si is Sickness, Wu is Death, Wei is Grave, Shen is Extinction, You is Womb, Xu is Nourishment. For the water element (birth at Shen, clockwise convention), Shen is Birth, You is Bathing, Xu is Cap and Belt, Hai is Official, Zi is Emperor, Chou is Decline, Yin is Sickness, Mao is Death, Chen is Grave, Si is Extinction, Wu is Womb, Wei is Nourishment.
For the earth element, two conventions exist. In the Yin-convention (earth shares fire’s birth), the sequence is identical to fire. In the Shen-convention, earth birth starts at Shen and follows the water sequence. I use the Yin convention because it is more widely accepted, but you should know both exist because you will encounter practitioners who use each one.
To use this table in practice, follow these steps. First, take the sitting direction of your building with the luopan and identify which of the 24 mountains it falls on. Second, determine the element of that mountain (based on the San He five-element assignment of branches and stems to directions). Third, find the birth position for that element and place Chang Sheng there. Fourth, lay the remaining 11 stages clockwise around the ring. Fifth, note which life stage falls on the direction where water enters the site and which falls on the direction where water exits. The combination of entering and exiting stages determines the site’s quality.
Cross-References: How San He Connects to the Other Systems on This Site
San He does not stand alone. It is part of the larger family of Chinese metaphysics, and if you have been reading through the guides on this site, you will notice connections everywhere. The 24 mountains that San He uses are the same 24 mountains on the Luo Pan, which I cover in the Luo Pan Divination guide. The 12 life stages are the same stages used in BaZi (the Four Pillars of Destiny) to describe the strength of the day master, which is covered in the BaZi guide. The three harmonies of the Earthly Branches appear in BaZi as the San He branch combinations, and in the I Ching as the trigram relationships. The dragon and xue concepts are shared with Form School feng shui, covered in the Feng Shui guide.
What makes San He unique is its specific application of these shared concepts to compass direction and water flow. Other systems use the 12 life stages to describe personality or destiny timing. San He uses them to describe the energy quality of physical directions. Other systems use the three harmonies to predict relationship compatibility. San He uses them to evaluate whether water flow respects the elemental balance of the site. Same principles, different lens, and that different lens is what gives San He its unique diagnostic power.
The relationship between San He and San Yuan is the most important cross-reference to understand. San He is spatial, San Yuan is temporal. San He reads where, San Yuan reads when. A site that has excellent San He positioning (good 24-mountain sitting, harmonious water exits, strong dragon) but unfavorable San Yuan timing (a negative 20-year period) may underperform despite good foundations. A site with mediocre San He but strong San Yuan timing may outperform expectations. The complete practitioner uses San He to select the site and orientation, and San Yuan to advise on when to build, renovate, or move. This combined approach is called San He San Yuan He Ben, the synthesis of the two schools, and it represents the mainstream of classical feng shui practice.
The San He Water Compass: The Four Pools Theory
The Four Pools (Si Ku, 四库) theory is an advanced San He method that refines the basic water reading by considering the reservoir direction of each element. The four pools correspond to the four three-harmony trios: the water pool (Chen, the dragon), the fire pool (Xu, the dog), the metal pool (Chou, the ox), and the wood pool (Wei, the goat). Each pool is the storage or reservoir direction for its element, and in a San He reading, the pool tells you where the energy of that element accumulates and is stored at the site.
The practical application of the Four Pools is in determining the water exit for wealth preservation. Each sitting direction has a specific pool that serves as the ideal water exit, because that pool stores the element of the site rather than draining it. For example, a building that sits on a water-element mountain (Shen, Zi, or Chen) benefits from water exiting through the Chen direction, because Chen is the water pool and stores rather than loses the water energy. A building sitting on a fire mountain (Yin, Wu, or Xu) benefits from water exiting through Xu, the fire pool.
The pools also interact with the 12 life stages in a way that creates what San He practitioners call the four favorable and four unfavorable water patterns. The favorable patterns are: water entering at Birth and exiting at Grave, water entering at Official and exiting at Nourishment, water entering at Emperor and exiting at Death, and water entering at Cap and Belt and exiting at Extinction. In each of these, the water brings in peak energy and carries away depleted energy at the reservoir. The unfavorable patterns are the reverse: water entering at a depleted stage and exiting at a peak, which means the site is losing its best energy. These eight patterns are the core diagnostic output of a San He water reading.
I want to be honest about the practical limits here. On most urban properties, you cannot change where water enters and exits because the drainage is built into the infrastructure. What you can do is work with the internal water layout: the kitchen sink direction, the bathroom drain direction, the main entrance road direction in relation to the unit door. These are the micro-water features that a San He practitioner reads in apartment and office contexts, and while they are not as decisive as a natural river on a landed property, they are not irrelevant. I have had clients who moved their kitchen sink or redirected a corridor and reported a noticeable shift in the atmosphere of the space. Whether that shift is because of qi flow or because of a psychological change in how the room feels, the result is the same: the space works better for the people in it.
Reading a San He Chart: A Worked Example
Let me walk through a complete San He reading on a hypothetical property so you can see the system in action. The property is a landed house in a suburban area with a natural slope drainage to the east. The house sits with its back to the west, facing east. The luopan reading shows the sitting direction at Geng (west-1, 255 degrees). The natural water exit is to the east, where the slope drains. There is a road approaching from the south that serves as the water entry direction. Let us read this step by step.
Step 1: Identify the sitting mountain. The luopan needle at the sitting direction shows Geng, which is one of the 24 mountains. Geng sits in the western sector, between the cardinal west (You) and the northwest (Qian). Its element is metal.
Step 2: Determine the element of the sitting mountain. Geng is a Yang metal Heavenly Stem. The metal element has its birth position at Si (snake, 150 degrees). So the life stage sequence for this site starts at Si with Birth and proceeds clockwise.
Step 3: Lay out the 12 life stages. Birth at Si, Bathing at Wu, Cap and Belt at Wei, Official at Shen, Emperor at You, Decline at Xu, Sickness at Hai, Death at Zi, Grave at Chou, Extinction at Yin, Womb at Mao, Nourishment at Chen. This gives each 24-mountain sector a specific life stage quality.
Step 4: Read the water entry and exit. The water enters from the south (the road approaches from the south), which falls on the Wu direction. Wu has the Bathing stage for this site, which means the incoming energy is in the Bathing phase: fresh but vulnerable, like a newborn. This is a mixed signal. The water is not entering at a peak stage, but it is not entering at a declining stage either. It suggests new opportunities will come to the household regularly, but they may require protection and care to mature.
Step 5: Read the water exit. The water exits to the east, falling on the Mao direction. Mao has the Womb stage for this site, which means the outgoing energy is in the potential-new-beginning phase. Water exiting at the Womb stage is considered neutral to slightly favorable: the site is not losing its peak energy (which would be bad), and the Womb stage does not carry significant depletion.
Step 6: Check the three harmonies. Geng belongs to the Si-You-Chou metal trio. The water exit at Mao does not belong to this trio (Mao belongs to the Hai-Mao-Wei wood trio). This means the water exit is not harmonious with the sitting, which slightly weakens the wealth retention. The water entry direction Wu belongs to the Yin-Wu-Xu fire trio, also different from the metal trio, which adds another layer of elemental friction. This reading suggests the site has decent but not outstanding San He water quality: incoming energy is fresh but vulnerable, outgoing energy is neutral, and the elemental harmonies are not ideal. Potential remedies include redirecting drainage to a Chou direction (the Grave stage and the metal pool), which would be the most harmonious exit for a metal-sitting site.
Step 7: Practical recommendation. For this house, I would suggest using a water feature or drainage redirect to encourage water to exit toward the Chou (NE-1) direction if the landscape allows. If physical drainage changes are not possible, the remedy is to place a water-absorbing element (like a large ceramic pot or a stone feature) in the Chou sector, which symbolically directs energy toward the pool. The owner should also note that the incoming energy from the south is in the Bathing phase, which favors creative work and new ventures but may not support aggressive financial expansion. A home office in the southeast (Si direction, which has the Birth stage) would sit in the strongest incoming energy for metal, making it the best room for work and business.
San He for Yin Zhai: Grave Siting Applications
San He was originally developed for grave siting, and it is still the dominant school used for yin zhai (grave feng shui) throughout the Chinese-speaking world. The reason is that graves are permanent, so the spatial reading matters more than the temporal one. A grave cannot be moved when the time cycle changes, so the San He reading, which evaluates the permanent spatial quality of the site, is the primary consideration. San Yuan is applied as a secondary check for selecting the burial date and predicting when the luck activates.
For grave siting, the San He considerations are the same as for a house, but with an emphasis on the dragon, the xue, and the water flow. The grave should sit at the dragon’s den where the energy concentrates. The sitting direction is taken from the back of the grave (where the mountain supports it) and the facing direction is toward the open view where the water flows. The 24-mountain sitting determines the elemental reading, and the water exit should ideally fall on the same three-harmony trio as the sitting, to ensure the family’s luck is preserved across generations.
The San He assessment of a grave includes the 12 life stages applied to the sitting direction, with special attention to whether the grave sits in a Birth, Official, or Emperor stage position. A grave that sits at its own Birth position means the family lineage has a continuous stream of new energy, which is considered the most favorable for multi-generational prosperity. A grave that sits at its Emperor position confers peak power and influence during the current generation but may not sustain across multiple generations. A grave at its Death or Grave position is avoided, as it suggests the family energy is extinguishing.
An important practical note about grave siting in the modern context, especially in Singapore and other urban environments: most people use columbariums rather than traditional graves. The San He analysis applies differently to a columbarium niche. The building’s overall sitting and facing determines the macro water reading, and the niche placement within the building follows the same life stage logic, with the best niches being those that face directions with Birth or Official stages relative to the building’s sitting element. I have consulted on columbarium niche selection for families, and the San He method works well in this context, though the practitioner must account for the building’s geometry rather than the natural landscape.
San He for Yang Zhai: Apartment and Office Applications
Most readers will never site a grave, but many will need to apply San He to an apartment, a house, or an office. The translation from classical to modern is not as difficult as it sounds, because the principles remain the same. Only the scale of the landscape changes. Instead of reading a mountain range and a river, you read the building’s orientation and the surrounding road network, and you substitute the internal water layout (kitchen, bathroom, drains) for the natural water features.
For an apartment building, take the luopan reading from the main entrance of the building (not your unit door). The building’s entrance is the water mouth, the point where energy enters the entire structure. The sitting direction is the rear wall of the building, opposite the entrance. Once you have the building’s sitting and facing, you can determine its element, lay out the 12 life stages, and assess which sectors of the building are in favorable stages for the units that occupy them.
For your individual unit, check which sector it sits in relative to the building’s life stage map. A unit in the Birth or Emperor sector of the building sits in incoming peak energy, which is the most favorable location. A unit in the Decline or Sickness sector sits in outgoing depleted energy. This is one reason why units on different floors or different wings of the same building can have noticeably different atmospheres, and it is a factor I consider when advising clients on which unit to buy or rent.
The internal water layout within your unit also matters. The kitchen represents fire (it produces heat and transforms food), and the bathroom represents water (it drains and cleanses). The direction the kitchen faces and the direction the bathroom drains should ideally align with the harmonious exit directions for your unit’s sitting. If the kitchen is in the fire-birth sector and the bathroom drains toward the harmonious water exit, the internal feng shui supports the external reading. If both are mismatched, the external reading is weakened, and you rely on remedies to compensate.
For an office, the same principles apply but with an emphasis on the entrance direction. The main door of the office is the water mouth, and its direction on the building’s life stage map determines whether incoming energy supports business growth. An office whose entrance falls on a Birth or Official Appointment stage is ideal for a growing business. An office whose entrance falls on a Death or Grave stage may struggle to attract new clients or retain staff. In my consulting work, I have seen enough offices with Dead-stage entrances that chronically underperform to take this principle seriously, even though I cannot fully explain the mechanism beyond the traditional qi theory.
Common San He Errors and How to Avoid Them
San He is a technical system, and the most common errors come from misapplication rather than misunderstanding the theory. I see the same mistakes repeatedly in student audits and in published feng shui analysis, so I want to address them directly. The first error is taking the sitting and facing backward. In San He, sitting is where the back of the building rests (the mountain side) and facing is the open front (the water side). Beginners often swap these, especially in apartments where the main door is the facing but the balcony is actually the sitting because it has the better view and the structural support. The rule is: the side with the most solid wall and least opening is the sitting, the side with the most opening and largest window or door is the facing. If you get this wrong, your entire life stage map is reversed, and every reading that follows will be wrong.
The second error is using the wrong element for the sitting. Some practitioners determine the sitting element based on the trigram of the facing direction (the later heaven bagua). Others use the element of the Earthly Branch or Heavenly Stem on the 24-mountain ring. In San He, the correct method is to use the elemental nature of the specific mountain the sitting direction falls on, as read from the San He five-element ring of the luopan. Do not mix this with the San Yuan trigram element, which produces a different answer and creates inconsistent readings.
The third error is misidentifying the water direction in an urban setting. On a landed property, the water directions are relatively clear: the natural slope and drainage define the exit, and the approach road defines the entry. In an apartment or office, the water directions are more abstract. Some practitioners use the building’s main entrance as the water entry and the building’s rear or service entrance as the water exit. Others use the road traffic direction. Both approaches work, but you must be consistent and you must state your method explicitly, so the reading can be verified. The error comes from trying to use multiple methods simultaneously or changing methods mid-analysis.
The fourth and most dangerous error is treating San He as a standalone system and ignoring the form reading. San He presumes that the site has acceptable form: a reasonable dragon, a supportive backing, open facing. If the form is poor (the building sits in a valley with no backing, faces a sharp corner, or sits at the end of a T-junction), no San He water reading will save it. The form is the foundation, the compass is the refinement. Reversing this priority leads to readings that look correct on paper but produce poor results in practice, because you are tuning a compass reading on a fundamentally flawed site.
The Three Harmonies Combinations in Depth
The three harmonies are the namesake of the school, and now that you have seen the 12 life stages and the water method in action, it is time to go deeper into what these combinations actually do in a reading. The four trios are Shen-Zi-Chen (water), Hai-Mao-Wei (wood), Yin-Wu-Xu (fire), and Si-You-Chou (metal). Each trio spans exactly one quarter of the compass, and each contains three Earthly Branches that are 120 degrees apart. This 120-degree spacing is the geometric basis of the harmony, because it means the three branches in each trio are evenly distributed around the circle, creating a balanced, self-supporting structure.
The way these trios work in a San He reading is through the sitting direction and the water exit. When your building sits on a mountain that belongs to one of the four trios, the ideal water exit falls on a mountain in the same trio. This is called a harmonious exit, and it means the energy of the site is contained within its own elemental family. The site retains its wealth, the family line is sustained, and the luck is stable across generations. When the water exit falls on a mountain from a different trio, there is elemental friction, and the site leaks energy through the mismatch. The severity of the leak depends on which stage the exit mountain falls on, and whether the exiting trio’s element controls or destroys the sitting trio’s element.
Let me give you a concrete example. If a house sits at Si (snake, 150 degrees), the sitting element is metal, and the harmonious trio is Si-You-Choud. The ideal water exits are at You (west, the Emperor stage for metal) or Chou (northeast, the Grave stage for metal). If the water exits at Mao (east, 90 degrees), that belongs to the Hai-Mao-Wei wood trio. Metal chops wood in the destructive cycle, which means the exit is draining the site’s energy through conflict rather than harmony. This is not catastrophic, but it means the wealth retention is compromised, and the occupants may find that money comes in but leaves quickly. A worse case would be an exit at Wu (south, 180 degrees), because fire melts metal, which is the most destructive relationship. An exit at Wu for a metal-sitting site is considered a serious defect in San He, and remedies would be needed.
The remedies for a disharmonious water exit fall into two categories: physical and symbolic. Physical remedies involve actually changing the drainage or water flow direction, which is possible for landed properties with gardens but not for apartments. Symbolic remedies involve placing elemental objects in the exit sector to mediate the conflict. For the metal-sitting site with a fire exit at Wu, placing a large ceramic or earthen object in the south sector introduces earth, which drains fire and feeds metal, creating a bridge between the conflicting elements. This is not as strong as a physical fix, but it is the standard San He remedy for apartments where you cannot move the drains.
The 12 Life Stages Applied to Each Element: Complete Tables
Earlier I showed you the fire and water life stage sequences. Now I will give you all five, because you need the complete reference to perform San He readings on any sitting direction. The five elements have different birth positions and different rotational directions, and the only way to keep them straight is with tables. I recommend printing these or keeping them open on your phone when you practice with a luopan.
Fire (and Earth): Birth at Yin, clockwise. Yin (Birth), Mao (Bathing), Chen (Cap and Belt), Si (Official Appointment), Wu (Emperor’s Prosperity), Wei (Decline), Shen (Sickness), You (Death), Xu (Grave), Hai (Extinction), Zi (Womb), Chou (Nourishment).
Water: Birth at Shen, counter-clockwise. Shen (Birth), Wei (Bathing), Wu (Cap and Belt), Si (Official Appointment), Chen (Emperor’s Prosperity), Mao (Decline), Yin (Sickness), Chou (Death), Zi (Grave), Hai (Extinction), Xu (Womb), You (Nourishment).
Wood: Birth at Hai, clockwise. Hai (Birth), Zi (Bathing), Chou (Cap and Belt), Yin (Official Appointment), Mao (Emperor’s Prosperity), Chen (Decline), Si (Sickness), Wu (Death), Wei (Grave), Shen (Extinction), You (Womb), Xu (Nourishment).
Metal: Birth at Si, counter-clockwise. Si (Birth), Chen (Bathing), Mao (Cap and Belt), Yin (Official Appointment), Chou (Emperor’s Prosperity), Zi (Decline), Hai (Sickness), Xu (Death), You (Grave), Shen (Extinction), Wei (Womb), Wu (Nourishment).
Earth: In the convention I follow (Tian Yu Jing), earth shares the fire sequence with Birth at Yin, clockwise. Some lineages use a separate earth sequence with Birth at Shen, counter-clockwise, identical to water. If your teacher uses the Shen convention, use that instead. The readings will be consistent within each system, and mixing the two conventions produces errors. I cannot emphasize this enough: pick one convention and stick with it for every reading you do.
The practical question is: how do you know which element your sitting direction belongs to? You look at the Earthly Branch of the sitting mountain. The 24 mountains each have an Earthly Branch component, and some mountains are purely one branch while others are shared between two branches. For a pure-branch mountain like Zi (north), the element is water. For a shared mountain like Gui-Chou (north-northeast), you use the dominant branch, which in San He is Chou (earth, following the fire convention). The full mapping requires you to know the 24-mountain ring, which I covered in the Luo Pan guide and in part 1 of this pillar. If you have not read those sections, go back and review the 24 mountains before attempting a San He reading.
Water Methods Beyond the Basics: The Yellow Spring and the Murderous Exits
San He has several specialized water methods beyond the basic four-exit system, and the most feared among practitioners is the Yellow Spring water direction. The Yellow Spring is a specific water exit that is considered so harmful that classical texts describe it as lethal to the family. The name comes from the Chinese underworld, and the implication is that this water direction sends energy to the realm of the dead rather than keeping it among the living.
The Yellow Spring directions are calculated from the sitting trigram, not from the element. There are eight Yellow Spring directions, one for each trigram, and they fall on specific mountains of the 24-mountain ring. For a Qian sitting (northwest), the Yellow Spring direction is at Wu (south). For a Kun sitting (southwest), it is at You (west). For a Zhen sitting (east), it is at Si (southeast). For a Xun sitting (southeast), it is at You (west). For a Kan sitting (north), it is at Chen (southeast). For a Li sitting (south), it is at Hai (northwest). For a Gen sitting (northeast), it is at Yin (northeast). For a Dui sitting (west), it is at Si (southeast).
If the water exit of a site falls on the Yellow Spring direction for the sitting trigram, the classical interpretation is severe: financial ruin, illness in the family, and in the worst cases, loss of life. I do not say this to frighten you. I say it because if you are going to practice San He, you need to know what the classical texts say, and the classical texts are blunt about these matters. In my own practice, I treat the Yellow Spring as a serious warning sign that requires either a physical remedy (redirecting the water) or, if that is impossible, a recommendation to consider a different site. I do not believe in alarming clients, but I also do not believe in hiding a known defect behind polite language.
The murderous exits are a related but less severe category. These are water exits that fall on the Death or Extinction stage of the sitting element’s life cycle. They are not as specific as the Yellow Spring, which is tied to the trigram, but they are still considered harmful because they send energy out through the dying phase. A water exit at the Death stage suggests the family’s energy is being extinguished, and an exit at the Extinction stage suggests complete loss. The remedy is the same: redirect if possible, use symbolic elemental bridges if not.
I want to be clear about something that often gets misunderstood. These harmful water directions do not mean the house is cursed or that the occupants are in danger the moment they move in. San He is an energy reading, not a curse. What it tells you is that the natural flow of energy at the site is unfavorable in a specific way, and over time, that unfavorable flow will manifest as difficulties in the corresponding area of life. The timeline depends on the strength of the other features of the site. A site with excellent mountain support and only a bad water exit may take years to show problems. A site with weak mountain support and a bad water exit may show problems within months. This is why a complete San He audit evaluates all features together rather than focusing on a single defect.
The Concept of Na Yin and the Five Element Melodies
Na Yin is a system that assigns a specific element to each of the 60 Jiazi (stem-branch combinations) through a process called the Five Element Melodies. In San He practice, Na Yin is used to determine the element of the sitting direction when the sitting is taken from the stem-branch combination rather than just the Earthly Branch. This adds a layer of precision to the reading, because the 24-mountain ring gives you the branch element, while Na Yin gives you the melody element of the complete stem-branch pillar.
The five melodies are: Sea Metal, Sea Water, Pine Wood, Earth Fire, and River Earth. Each of the 60 Jiazi is assigned to one of these 30 melody pairs (each melody covers two jiazi). For example, Jia Zi and Yi Chou are both Sea Metal. Bing Yin and Ding Mao are both Earth Fire. Wu Chen and Ji Si are both Forest Wood. The full mapping is 30 pairs covering all 60 stem-branch combinations.
In practical San He, Na Yin is most commonly used in grave siting, where the birth year of the deceased is converted to a jiazi, and the Na Yin element of that jiazi is compared with the sitting element of the grave. Harmony between the Na Yin element and the sitting element is considered favorable for the family. Conflict between them is considered unfavorable. For example, if the deceased was born in a Sea Metal year, and the grave sits at a fire direction (fire melts metal), that is a Na Yin conflict, and a different sitting should be chosen if possible.
Na Yin is an advanced topic, and I mention it here for completeness rather than as something you need to master immediately. If you are just starting with San He, focus on the 12 life stages, the three harmonies, and the water method. Na Yin becomes relevant when you are doing grave siting or when a client asks about compatibility between a specific person and a specific property. For most residential and commercial audits, the branch-element method is sufficient.
I should also note that Na Yin has applications beyond San He. In BaZi, the Na Yin element of the day pillar is sometimes used as a secondary element reference. In date selection, the Na Yin element of the chosen date is checked against the sitting element of the building. If you want to go deeper into Na Yin, read the Four Pillars of Destiny guide on this site for the BaZi perspective, and the Luo Pan guide for how Na Yin appears on the luopan rings.
San He and the Eight Trigrams: The Sitting Trigram Method
So far I have been talking about the sitting in terms of its Earthly Branch and element, but San He also uses the sitting trigram as a diagnostic layer. Every sitting direction on the 24-mountain ring belongs to one of the eight trigrams, and the trigram adds information about the nature of the site that the branch element alone does not capture. The trigram tells you about the quality and character of the energy, while the element tells you about the phase and cycle.
The trigram assignments for the 24 mountains are: Qian (northwest) covers Xu, Qian, and Hai. Kan (north) covers Ren, Zi, and Gui. Gen (northeast) covers Chou, Gen, and Yin. Zhen (east) covers Jia, Mao, and Yi. Xun (southeast) covers Chen, Xun, and Si. Li (south) covers Bing, Wu, and Ding. Kun (southwest) covers Wei, Kun, and Shen. Dui (west) covers Geng, You, and Xin. Each trigram governs three mountains, and each mountain is a 15-degree sector. When you take a sitting reading, you first identify the mountain, then the trigram it belongs to, and then you read both the element (from the branch) and the trigram quality.
The trigram quality is used in several San He sub-methods. The most important is the He Tu combination check, which pairs trigrams based on the He Tu numbers: 1 and 6 (water, Kan and Qian), 2 and 7 (fire, Kun and Dui), 3 and 8 (wood, Zhen and Xun), 4 and 9 (metal, Xun and Li). When the sitting trigram and the facing trigram form a He Tu pair, the site has an additional layer of harmony that supports long-term stability. This is separate from the three harmonies of the branches, and a site that has both the branch harmony and the He Tu trigram harmony is considered exceptionally good.
Another trigram application is the Ten Dao method, which checks whether the sitting and facing trigrams are complementary in their Yin-Yang nature. A Yang trigram sitting with a Yin trigram facing (or vice versa) creates a dynamic balance that is favorable for active use like a business or a family home with growing children. A Yang-Yang or Yin-Yin pairing creates either excessive Yang (restless, argument-prone) or excessive Yin (stagnant, low energy). The Ten Dao is a quick check that experienced San He practitioners do automatically when they first take a compass reading, because it gives an immediate sense of the site’s overall character before they get into the detailed stage analysis.
Reading the Dragon: Mountain Forms in San He
The dragon in San He is the mountain range or landform ridge that brings energy to the site. Reading the dragon is the first thing a San He practitioner does when arriving at a property, before even opening the luopan. The quality of the dragon determines whether the site is worth auditing in detail, because no amount of good water direction can compensate for a broken or weak dragon.
The dragon arrives from behind the site, which is why the sitting direction is also called the mountain direction. A good dragon comes from a distant range, travels through several peaks, and arrives at the site in a gentle, curving descent. The ideal is described as a dragon that is vigorous in its origin, meandering in its approach, and concentrated at its destination. The point where the dragon’s energy settles is called the xue, or the dragon’s den, and this is where the building or grave should be placed.
San He classifies dragons by their incoming direction, which is read from the 24-mountain ring. The incoming direction tells you the dragon’s element, and this element should be compatible with the sitting element. There are three levels of compatibility: generating (the dragon element produces the sitting element, the best case), harmonious (both belong to the same three-harmony trio, the good case), and controlling (the dragon element destroys the sitting element, the worst case). A generating dragon feeding a site is like a parent supporting a child: the energy is abundant and nurturing. A harmonious dragon is like a sibling: equal and cooperative. A controlling dragon is like an enemy: the site is under constant pressure.
In Singapore and other flat, urban environments, reading the dragon requires translating the concept to man-made features. The dragon becomes the row of buildings behind your property, the ridge of a hill, or even the alignment of HDB blocks that channel wind and energy toward your site. When I audit an apartment, I look at the tallest building behind the block as the incoming dragon, and I read its direction relative to the apartment’s sitting. This is not as precise as reading a natural mountain range, but it follows the same logic, and it produces useful readings for urban practitioners.
The dragon also has a shape component that San He inherits from the broader landform school (Form School, which has its own pillar on this site). A dragon that arrives in a straight line is considered aggressive, because straight lines accelerate energy to the point where it becomes hostile. A dragon that meanders and curves is considered gentle, because the curves slow the energy and allow it to accumulate. This is why properties at the end of a straight road or at the tip of a narrow valley are considered problematic in San He, even if the compass reading is favorable. The form quality and the compass quality must both be good for a site to be rated highly.
The Xue: Finding the Dragon’s Den
The xue is the single most important point in San He landform analysis. It is the spot where the dragon’s energy concentrates and settles, the place where the building or grave should be positioned to receive the maximum benefit from the landscape. Finding the xue is part observation, part experience, and part compass work, and it is the skill that separates a competent San He practitioner from someone who just reads the rings.
The physical signs of a good xue are consistent across classical texts. The land behind the xue should rise gently, like a chair back, providing support. The land to the left (looking out from the xue) should be slightly higher than the land to the right, forming what is called the green dragon and white tiger embrace. The green dragon (left) represents Yang energy and should be the stronger, taller side, while the white tiger (right) represents Yin energy and should be lower and more gentle. Both sides should curve inward, as if arms are wrapping around the xue to protect it. The front should be open, with a clear view to the water and the distant mountains, but not so open that wind rushes in unchecked.
In practical terms, the xue is rarely at the exact center of a property. It is often offset toward the back of the lot, closer to the rising ground, and it may be shifted left or right depending on where the embracing arms are strongest. When I audit a landed property, I walk the site before taking any compass readings, looking for the spot that feels most protected, most sheltered, and most concentrated. This sounds subjective, but with practice, the xue becomes obvious once you know what to look for. The energy gathers there. The wind is calmer. The ground is often slightly elevated or has a different texture from the surrounding area.
For apartments, the xue concept translates to the position within the building and within the unit. The building’s xue is determined by the surrounding structures: which HDB block or condo tower provides the strongest back support, which buildings form the embracing arms. Within the unit, the xue is the room that best receives the concentrated energy, usually the room that is most protected from direct wind and has a balance of natural light and shade. The living room is often the xue of an apartment, because it is where the family gathers and where the energy of the home concentrates.
A common mistake beginners make is confusing the xue with the center of the property. The center is a geometric point, the xue is an energy point, and they are rarely the same. If you place your building or your main activity at the geometric center without checking whether that is where the energy gathers, you may end up with a layout that looks balanced on paper but feels uncomfortable to live in. The San He method specifically addresses this by requiring the practitioner to find the xue first, then orient the building within it.
The Embrace: Green Dragon, White Tiger, and the Bright Hall
The embrace is the San He term for the landform configuration that surrounds and protects the xue. It has three components: the green dragon (left side), the white tiger (right side), and the bright hall (front). Together, these three form the energetic container that holds the qi at the site. If any one of them is missing or defective, the site leaks energy regardless of how good the compass reading is.
The green dragon is the left side of the site when you stand at the xue and face outward. It should be the taller and more vigorous of the two embracing arms, representing Yang energy, growth, and the active principle. In a natural landscape, the green dragon is a hill or ridge that extends from the main dragon (the back) and curves to the left, protecting the xue from wind and deflecting energy back toward the center. In an urban setting, the green dragon is the building or structure to the left of your property. A tall, well-maintained building on the left is a strong green dragon. An empty lot or a low structure on the left is a weak green dragon, and it may need to be supplemented with planting or structures on your own property.
The white tiger is the right side, and it should be lower and gentler than the green dragon. It represents Yin energy, receptivity, and the preserving principle. The white tiger should still be present (a complete absence on the right is not good, because it means the site has no containment on that side), but it should not dominate. If the white tiger is taller or stronger than the green dragon, the site is said to have tiger pressing dragon, which is considered unfavorable for the male head of household but can be favorable for a female-led household or a business with a female leader. This is not sexism, it is the Yin-Yang dynamic applied to gender roles in the classical context, and in modern practice I interpret it more broadly: a dominant white tiger favors a receptive, nurturing leadership style regardless of gender.
The bright hall is the open space in front of the xue. It should be flat or gently sloping, wide enough to allow energy to spread and accumulate, but not so wide that it dissipates. A good bright hall has a sense of welcome, like a courtyard or a garden that invites you in. The bright hall is where the water energy collects before entering the site, so its quality directly affects the wealth potential of the property. A bright hall that is cramped or blocked by a wall or building directly in front is considered a blocked hall, which limits the site’s prosperity. A bright hall that slopes steeply away from the site is a leaking hall, which means energy runs off instead of accumulating.
In apartment practice, the bright hall is the view from your main door or living room window. If you look out and see an open courtyard, a park, or a pleasant streetscape, that is a good bright hall. If you look out and see a blank wall three meters away, that is a blocked hall. The quality of the bright hall is one of the reasons high-floor units with unobstructed views are valued in feng shui, but only if the view is not too exposed. The ideal is an open but contained view, where you can see far but the energy is still held.
Water in San He: Beyond Entry and Exit
I have covered water entries and exits in the compass method, but water in San He has a broader meaning that goes beyond directions. Water is the carrier of wealth energy, and its physical characteristics matter as much as its compass direction. A San He audit evaluates five qualities of water: source, flow, shape, clarity, and destination.
The source is where the water comes from. In nature, this is the spring or upstream river. In a city, it is the road or traffic flow that brings people to your property. A strong source means the water arrives with energy and volume. A weak source means the incoming energy is thin. For a shop, the source is the direction from which most foot traffic arrives. For an office, it is the direction from which clients and deliveries come. Identifying the source is the first step in the water reading, because it tells you where the incoming wealth energy originates.
The flow is how the water moves. It should be gentle and meandering, not fast and straight. Fast water carries energy away rather than depositing it. A river that rushes past your property without curving is considered unkind water, because it takes energy with it rather than sharing any. A river that curves toward your property, slows down, and then curves away is considered kind water, because it deposits energy at the bend. This is why properties on the inner curve of a river or road are preferred in San He: the curve is where energy accumulates. The same principle applies to roads. A house on the inside of a gentle bend receives more energy than a house on a straight stretch or the outside of a bend.
The shape of the water is its geometric form as it passes the site. The ideal shapes are the jade belt (a curved river that wraps around the front of the property like a belt) and the bow-and-arrow (where the water curves toward the site at one point). The unfavorable shapes are the straight sword (water flowing directly toward the site in a straight line, which is too aggressive) and the反弓 (water curving away from the site, which means energy is being drawn off rather than deposited). For roads, a T-junction where a road points directly at your front door is the straight sword, and it is one of the most common San He defects in urban environments.
Clarity is literal. Clear, clean water carries good energy. Murky, polluted water carries stale or harmful energy. This is not metaphysical speculation, it is practical observation: a property next to a clean river is more pleasant and valuable than one next to a polluted drain. In San He, the clarity of the water is read as a direct indicator of the quality of the wealth energy. For roads, clarity translates to the condition of the road and the quality of the traffic. A well-maintained road with steady, orderly traffic is clear water. A potholed road with chaotic traffic is murky water.
The destination is where the water goes after leaving the site, which connects back to the water exit direction I covered earlier. But in addition to the compass direction, the physical destination matters. Water that exits into a lake, a reservoir, or a broad calm area is depositing its energy before leaving, which is favorable. Water that exits down a steep slope or into a narrow channel is accelerating away, which means it takes energy with it. For urban sites, water that exits toward a busy intersection is dispersing energy chaotically, while water that exits toward a quiet residential street is leaving gently.
San He Date Selection: Timing the Activation
San He is primarily a spatial system, but it has a temporal component through date selection. Once you have identified a good sitting direction and confirmed the water arrangement, you need to choose a date to activate the site. This applies to moving into a new house, breaking ground for construction, opening a business, or performing a renovation. The San He date selection method matches the date’s stem-branch with the sitting direction’s element and trigram.
The basic principle is that the chosen date should generate or harmonize with the sitting element, not control or destroy it. If the sitting is metal (Si-You-Chou trio), a favorable date is one with an earth or metal stem-branch, because earth generates metal and metal is harmonious. An unfavorable date is one with a fire or wood stem-branch, because fire melts metal and wood is controlled by metal (the relationship is draining). The date selection also checks the 12 life stages: a date that places the sitting element in its Birth, Official, or Emperor stage is considered activating, while a date that places it in Death or Grave is considered suppressing.
The date selection also avoids the San Sha, or Three Killings, which is an annual inauspicious direction that changes each year based on the year’s Earthly Branch. The San Sha occupies three of the 24 mountains (45 degrees) and is considered harmful for any construction, renovation, or moving activity in that direction. For 2027 (Year of the Fire Goat, Ding Wei), the San Sha falls in the west (Geng-You-Xin mountains). This means any property with a west-facing component should avoid major construction or moving activities in 2027 if the activity involves the western sector of the property.
Another date selection consideration is the Sui Po, or Year Breaker, which is the direction opposite the year’s branch. For 2027 (Goat year, Wei), the Sui Po is Chou (northeast). Activities in the northeast sector are discouraged during 2027. The San Sha and Sui Po are not San He-specific, they come from the broader Chinese almanac system (Tong Shu), but San He practitioners always check them because they override the favorable readings of the spatial analysis. A site with excellent San He water and mountain quality can still have a bad year if the San Sha or Sui Po falls on a critical direction, and the remedy is simply to wait or to choose a different sector for the activity.
For practical purposes, if you are auditing a property and the client wants to move in immediately, check the San Sha and Sui Po for the current year. If the moving direction or the main door falls in either zone, advise the client to use a different door for the first entry or to delay the move by a few months. This is not always possible, and in those cases, the remedy is a symbolic one: placing a metal object (for San Sha) or an earth object (for Sui Po) in the affected sector to mediate the harmful energy. These symbolic remedies are not as strong as avoiding the direction entirely, but they are the standard practice when timing cannot be changed.
Case Study: A San He Audit of a Singapore Shophouse
To bring everything together, let me walk you through a complete San He audit of a shophouse in the Joo Chiat area of Singapore. This is a composite of several real audits I have performed, with details changed to protect client privacy, but the method and findings are representative.
The shophouse faces east, with the main entrance on the street side (east) and the back facing west toward a narrow back lane. The building sits at Mao (east, 90 degrees), which is wood element. The harmonious trio for wood is Hai-Mao-Wei. The incoming dragon is a row of taller conservation shophouses behind the property, arriving from the west at You direction. You is metal, and metal chops wood, which means the incoming dragon is in a controlling relationship with the sitting. This is a significant weakness in the landform.
The water reading: the main traffic arrives from the south (Wu direction) and exits to the north (Zi direction). In the wood life stage sequence (Birth at Hai, clockwise), Wu is the Death stage and Zi is the Bathing stage. The water entry at the Death stage is unfavorable, because the incoming energy arrives already in a declining phase. The water exit at the Bathing stage is neutral, neither very good nor very bad. The exit direction Zi belongs to the Shen-Zi-Chen water trio, not the Hai-Mao-Wei wood trio of the sitting, so there is no three-harmony match on the exit.
The bright hall: the street in front is relatively narrow, with shophouses on both sides. This creates a moderately good embrace, with the buildings on the left (north) slightly taller than those on the right (south), satisfying the green dragon stronger than white tiger requirement. However, the bright hall is cramped because the street is narrow, which limits the wealth accumulation potential.
The overall assessment: the site has a controlling dragon (weakness), a Death-stage water entry (weakness), no three-harmony exit (weakness), and a cramped bright hall (weakness). These are four separate weaknesses, which puts this site in the below-average category. However, the embracing arms are decent, and the building itself is a conservation shophouse with good structural quality, which partially compensates.
My recommendations: First, address the controlling dragon by placing a water feature at the back of the property (west side), because water drains metal (the dragon’s element) and feeds wood (the sitting element), creating a bridge. Second, address the Death-stage water entry by placing a planting or screen on the south side to slow the incoming energy before it reaches the entrance. Third, activate the northeast sector (Yin direction, which is the Official Appointment stage for wood) as the primary business area, because this is where the strongest stage energy falls. Fourth, avoid major renovations during 2027 because the San Sha falls in the west, which is the back of the property where the dragon enters.
The client followed these recommendations and reported improved business stability within three months, though the improvement was moderate rather than dramatic, which matches the audit’s below-average rating. San He is honest in this way: it tells you what the site can support, and a below-average site with good remedies can become acceptable but not outstanding. The value of the audit is in knowing what you are working with, so you can make informed decisions rather than hoping for miracles.
When San He and San Yuan Disagree: Reconciling the Two Schools
One of the most common questions I get from students is: what happens when San He says a site is good but San Yuan says it is bad, or vice versa? This is not a theoretical question. It happens regularly in practice, because the two systems measure different things and they use different criteria. Knowing how to reconcile them is what separates a practitioner who understands both systems from one who has only memorized one.
The first principle is that San He measures the permanent spatial quality and San Yuan measures the temporal quality. If San He rates a site as good but San Yuan rates it as currently weak, the interpretation is: the site has good fundamental quality, but the current time period is not activating that quality. The recommendation is to use the site (because the foundation is good) and wait for the time period to change (because the San Yuan rating will improve when the period shifts). This is a common scenario for properties that were excellent in Period 7 (1984-2023) but are neutral in Period 8 (2024-2043): the San He quality is unchanged, but the San Yuan activation has shifted.
The reverse case is San He bad, San Yuan good. This means the site has weak fundamental quality but the current time period is temporarily boosting it. The interpretation is: the site is usable now, but do not expect the current good luck to last beyond the current period. This is a site to lease rather than buy, or to use for a short-term business rather than a long-term family home. The San Yuan boost is real but temporary, and when it fades, the underlying San He weakness will be exposed.
The worst case is when both systems rate the site as bad. This is a site to avoid. No amount of remedies will fix a site that is both spatially and temporally unfavorable. I have walked away from audits where both readings were negative, and I told the client directly: this site is not worth investing in. Some clients listen, some do not, but my responsibility is to give an honest reading, not to make the site sound better than it is.
The best case is when both systems rate the site as good. This is rare, and when it happens, you have found a site that will support the occupants across multiple periods and through generational changes. These sites command premium prices because they are genuinely superior, and if you are evaluating a property for purchase, a double-good reading is the strongest possible endorsement. I have found perhaps a dozen such sites in my years of auditing in Singapore, and they tend to be in older, established neighborhoods where the landform has been stable for decades.
The 24 Mountains and San He: A Practical Reference
The 24 mountains are the compass foundation of San He, and by now you have seen them referenced in every section of this guide. Let me give you a consolidated reference that you can use during practice. The 24 mountains divide the full 360-degree circle into 24 sectors of 15 degrees each. Each mountain is named using a combination of Heavenly Stems, Earthly Branches, and trigrams from the eight-direction system. The arrangement is not random, it follows a specific sequence that maps the stems, branches, and trigrams onto the circle in a way that reflects their elemental and directional qualities.
Starting from north (0 degrees) and going clockwise, the 24 mountains are: Ren, Zi, Gui (north, 345-15 degrees), Chou, Gen, Yin (northeast, 15-75 degrees), Jia, Mao, Yi (east, 75-105 degrees), Chen, Xun, Si (southeast, 105-165 degrees), Bing, Wu, Ding (south, 165-195 degrees), Wei, Kun, Shen (southwest, 195-255 degrees), Geng, You, Xin (west, 255-285 degrees), Xu, Qian, Hai (northwest, 285-345 degrees). Each of these mountains has a specific element and trigram assignment, and the San He practitioner needs to know them cold.
The Earthly Branch mountains (Zi, Chou, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu, Hai) are the ones used directly in the three-harmony combinations and the 12 life stage calculations. The stem mountains (Ren, Gui, Jia, Yi, Bing, Ding, Geng, Xin) are secondary and are used for finer readings and for the Na Yin system. The trigram mountains (Gen, Xun, Kun, Qian) mark the cardinal directions between the branches and are used for the trigram-based methods like the He Tu combination check and the Yellow Spring calculation.
In San He practice, the sitting mountain and the facing mountain are always 180 degrees apart. If you sit at Zi (0 degrees), you face Wu (180 degrees). If you sit at Mao (90 degrees), you face You (270 degrees). The sitting and facing are the two primary readings, and every San He calculation starts from these two values. The water entry and exit directions are then measured relative to the sitting, and the life stages are placed on the ring starting from the birth position of the sitting element.
One thing that trips up beginners is the difference between the San He 24-mountain ring and the San Yuan 24-mountain ring. They use the same names and the same positions, but the interpretations are different because San He reads them through the life stages while San Yuan reads them through trigram combinations and period stars. The luopan has separate rings for each system, and if you are using a San He luopan, you will find the life stage ring printed directly adjacent to the 24-mountain ring so you can cross-reference them during a reading.
The Four Water Gates: Advanced San He Water Theory
Beyond the basic water entry and exit reading, San He has a sophisticated system called the Four Water Gates, which classifies water exits into four categories based on their relationship to the sitting direction’s three-harmony trio. Each gate has a specific quality and a specific set of effects on the occupants.
The first gate is the Prosperity Gate, which occurs when the water exits at the Grave stage of the sitting element. The Grave stage is where energy settles and consolidates, so an exit here means the site’s energy is being deposited rather than scattered. This is the most favorable of the four gates, and classical texts describe it as a site that accumulates wealth across generations. The family line is stable, finances grow steadily, and the descendants benefit from the accumulated energy.
The second gate is the Official Gate, which occurs when the water exits at the Official Appointment stage. This exit directs energy toward career and authority, so the site favors occupants who work in government, management, or professional fields. The family produces capable, ambitious individuals who achieve social standing. The financial growth is less steady than the Prosperity Gate, but the social advancement is greater.
The third gate is the Birth Gate, which occurs when the water exits at the Birth (Chang Sheng) stage. This exit sends energy out through the growth phase, which means the site favors new beginnings, creative work, and entrepreneurial ventures. The occupants tend to be innovative and active, but the energy is not as stable as the Prosperity or Official gates. This gate is favorable for a startup office or a young family starting out, but less ideal for a mature household seeking stability.
The fourth gate is the Murderous Gate, which occurs when the water exits at the Death or Extinction stage. This is the harmful exit I mentioned earlier, and it is the only one of the four gates that is considered unfavorable. A Murderous Gate exit sends energy out through the dying phase, which depletes the site over time. The effects include declining health, financial losses, and family difficulties. The remedy is to redirect the water exit to one of the other three gates, or if that is impossible, to use elemental bridging objects in the exit sector.
The Four Water Gates system is one of the most practical tools in San He, because it gives you a clear, actionable reading from a single compass measurement. Once you know the sitting element and the water exit direction, you can immediately identify which gate the site falls into and what the general prognosis is. This is the kind of direct, practical output that makes San He valuable for quick property assessments, where you may not have time for a full audit but need to give the client a preliminary reading.
San He for Commercial Properties: Shops, Offices, and Restaurants
The San He method applies to commercial properties with some adjustments, because the priorities are different from residential. For a home, the emphasis is on family harmony, health, and generational stability. For a business, the emphasis is on revenue, customer flow, and operational success. The compass method is the same, but the interpretation shifts.
For a retail shop, the water entry is the primary reading, because water represents customers and revenue. The main entrance direction is the water entry, and it should ideally fall on the Birth, Official, or Emperor stage of the sitting element. A shop with its entrance at the Emperor stage is in the peak energy position, which supports maximum customer traffic and sales volume. I have audited shops where simply changing the entrance from one side of the facade to the other (moving from a Death stage to a Birth stage entrance) resulted in noticeably improved foot traffic within weeks.
The bright hall for a shop is the space immediately outside the entrance. A wide, open sidewalk or plaza is an excellent bright hall, because it allows energy (customers) to gather before entering. A narrow corridor or a doorstep that opens directly onto a busy thoroughfare is a poor bright hall, because the energy rushes past without stopping. If your shop has a poor bright hall, the remedy is to create a visual anchor outside the entrance: a display, a plant, or a sign that slows the passing traffic and invites people to stop.
For an office, the sitting direction of the building determines the company’s fundamental energy, while the internal layout determines how that energy is distributed among departments. The CEO’s office should be in the Emperor or Official stage sector, because these are the positions of authority and peak energy. The finance department should be in the Prosperity Gate or Grave stage sector, because these positions support accumulation. The sales and marketing team should be in the Birth stage sector, because this position favors growth, outreach, and new client acquisition. The operations and administrative staff can be in the Nourishment or Womb sectors, which are stable and supportive.
For a restaurant, the kitchen is a special consideration because it introduces fire energy into the site. The kitchen should not be placed in the sector that is the Emperor or Birth stage of the sitting element if the sitting element is metal (fire melts metal) or wood (fire burns wood). It should be in a sector where the fire energy either harmonizes with the sitting element (fire sitting with fire) or is controlled by it (water sitting controls fire). This is one of the reasons restaurant feng shui is considered a specialized application of San He, and many practitioners charge a premium for restaurant audits because of the additional complexity.
The Luopan for San He: Ring-by-Ring Guide
The San He luopan has a specific set of rings that differ from the San Yuan luopan, and knowing which rings to use is essential for accurate readings. I will walk you through the key rings from the center outward, focusing on the ones that matter for San He practice.
The first ring is the Heaven’s Pool, the central compass needle. This is the magnetic north reference, and it is the same on all luopans. The needle points to magnetic north, and you orient the entire luopan by rotating it until the needle aligns with the north-south line on the inner ring. This is the most basic operation, but it is also the most error-prone, because magnetic interference from steel in buildings, elevators, and electrical wiring can cause the needle to deviate. I always take readings at multiple points around the property and average them to reduce error.
The second ring is the Early Heaven Bagua, which shows the eight trigrams in their pre-heaven arrangement. This ring is used as a reference for the trigram assignments but is not directly used in San He readings. The third ring is the Later Heaven Bagua, which shows the trigrams in their post-heaven arrangement, and this is the ring used for the trigram-based San He methods like the Yellow Spring and the He Tu combination check.
The fourth ring is the 24 Mountains, which is the primary ring for San He. This ring shows all 24 mountain names in their correct positions, and it is where you read the sitting and facing directions. The fifth ring, unique to the San He luopan, is the 72 Dragons ring, which subdivides each 24-mountain sector into three sub-sectors for finer readings. This ring is used in advanced practice for determining the exact quality of the incoming dragon, and it is one of the features that distinguishes a San He luopan from a San Yuan luopan.
The sixth ring is the 60 Jiazi (also called the 60 Dragons), which shows the 60 stem-branch combinations around the circle. This ring is used for Na Yin calculations and for date selection cross-referencing. The seventh ring is the 12 Life Stages ring, which is the most important ring for San He practice after the 24 Mountains. This ring shows the 12 stages placed around the circle according to the sitting element’s birth position, and it is how you read the stage quality of each direction on the site.
The eighth ring is the 28 Constellations, which is used for astronomical reference and for the division of the sky into lunar mansions. This ring is more relevant for date selection and astrological applications than for spatial San He readings, but it is present on most San He luopans for completeness. If you want to understand the 28 Constellations in depth, there is a dedicated section in the Luo Pan guide on this site.
When buying a luopan for San He practice, make sure it has at minimum the 24 Mountains ring, the 12 Life Stages ring, and the 72 Dragons ring. These three are the essential San He rings, and without them you cannot perform a proper San He reading. Many modern luopans are combination types that include both San He and San Yuan rings, which is practical if you practice both systems. If you are just starting, a combination luopan is the best investment because it allows you to learn both systems without buying two instruments.
Remedies and Adjustments in San He Practice
Not every site is perfect, and most audits end with a list of remedies to address the defects found. San He remedies fall into three categories: physical, symbolic, and temporal. I will cover each category with specific examples, because this is the part of the audit where the practitioner adds the most value for the client.
Physical remedies involve changing the actual landscape or layout. If the water exit is in a harmful direction, you can install drainage to redirect it. If the bright hall is blocked, you can remove the obstruction or create an opening. If the green dragon is weak, you can plant tall trees on the left side of the property. Physical remedies are the strongest because they change the actual energy flow, but they are also the most expensive and the least feasible in apartment living. For landed properties, physical remedies should always be the first choice when they are possible.
Symbolic remedies use objects and elements to mediate energy without physically changing the landscape. If the water exit falls at a fire direction for a metal-sitting site, placing a large ceramic pot (earth) in the fire sector bridges the conflict, because earth drains fire and generates metal. If the bright hall is too exposed, placing a screen or a row of plants at the front creates a symbolic container. If the dragon is weak, placing a tall, heavy object (like a stone or a statue) at the back of the property provides symbolic support. Symbolic remedies are weaker than physical ones, but they are the standard approach for apartments and for situations where physical changes are not permitted.
Temporal remedies involve timing. If a site has a San Sha or Sui Po in a critical sector for the current year, the remedy is to avoid using that sector until the next year, when the harmful direction shifts. If a renovation is needed in the San Sha sector, the remedy is to schedule it for a year when the San Sha has moved elsewhere. Temporal remedies require patience, but they are completely effective because the harmful influence is temporary and simply waiting it out removes the problem without any physical or symbolic intervention.
The hierarchy of remedies in my practice is: physical first (if possible), symbolic second (if physical is not feasible), temporal third (for time-based issues). Many audits use a combination: a physical remedy for the most serious defect, symbolic remedies for the secondary defects, and temporal advice for the annual influences. The client receives a written list of remedies ranked by priority, with clear instructions on what to do, where to place objects, and when to expect results. This is the deliverable of a San He audit, and it is what the client pays for.
I should add a note about remedy expectations. Remedies do not transform a bad site into a good site. They mitigate defects and enhance strengths. A below-average site with good remedies becomes acceptable. An average site with good remedies becomes good. A good site with good remedies becomes excellent. But a bad site with remedies remains below average, because the fundamental energy is too weak for remedies to overcome. This is why I always tell clients: the most important feng shui decision is choosing the right site. Remedies are secondary. No amount of feng shui objects will compensate for a fundamentally poor location.
San He Lineages and the Question of Orthodoxy
San He is not a single, uniform tradition. Over the centuries, several lineages have developed, each with slightly different conventions and emphases. The main divisions are the Yang Yun Song lineage (the oldest, based on the Tang Dynasty texts), the Lai Bu Yi lineage (which emphasizes the 72 Dragons ring and the dragon’s incoming direction), and the Min Pai or Fujian lineage (which incorporates more local folk traditions and places greater emphasis on the water exit direction).
The differences between these lineages are not contradictions but variations in emphasis. The Yang Yun Song lineage focuses on the 12 life stages and the three harmonies as the primary diagnostic tools. The Lai Bu Yi lineage adds the 72 Dragons subdivision for more precise dragon readings. The Fujian lineage places the water method at the center and uses the life stages as a secondary check. All three lineages agree on the fundamental principles: the 24 mountains, the three harmonies, the 12 life stages, and the importance of water. They disagree on which method to apply first and how to weight the findings when different methods produce different results.
The question of which lineage is orthodox is a source of endless debate among practitioners, and I do not participate in those debates because I find them unproductive. My own training is primarily in the Yang Yun Song lineage, but I have studied the Lai Bu Yi method and I use the 72 Dragons ring when the situation calls for it. The approach I teach in this guide is the Yang Yun Song method, because it is the most widely practiced and the most thoroughly documented in classical texts. If your teacher uses a different lineage, the methods you learn will be slightly different, but the underlying principles will be the same.
What matters is not which lineage you follow but that you follow it consistently. The most common source of errors in San He practice is mixing methods from different lineages without understanding the differences. If you use the Yang Yun Song life stage placement with the Fujian water method weighting, you may get a reading that is internally inconsistent and produces poor results. Pick a lineage, learn it thoroughly, and use it as a complete system. You can study other lineages later to broaden your understanding, but your primary practice should be within a single, consistent framework.
This is also why I recommend learning San He from a teacher rather than only from books. Books can teach you the terminology and the methods, but a teacher ensures you apply them consistently and catch the subtle errors that books do not address. If you do not have access to a teacher, the next best thing is to practice on many sites and keep detailed records of your readings and outcomes. Over time, the patterns will become clear, and you will develop the judgment that comes from experience rather than from memorization.
The Relationship Between San He and the Five Elements
The five elements (wood, fire, earth, metal, water) are the backbone of San He interpretation, and understanding their relationships is what allows you to make sense of the compass readings. Every direction, every mountain, every life stage, and every water gate is ultimately evaluated through the five element interactions. If you do not have the generating and controlling cycles memorized, San He will not make sense to you, so let me review them in the context of San He practice.
The generating cycle is: wood generates fire, fire generates earth, earth generates metal, metal generates water, water generates wood. In San He, a generating relationship between the dragon element and the sitting element is the most favorable configuration. It means the incoming energy is nurturing and supporting the site. A generating relationship between the sitting element and the water exit element is also favorable, because it means the outgoing energy is compatible with the site’s nature and does not create friction at the exit point.
The controlling cycle is: wood controls earth, earth controls water, water controls fire, fire controls metal, metal controls wood. In San He, a controlling relationship between the dragon and the sitting is the worst configuration, because it means the incoming energy is hostile to the site. A controlling relationship between the sitting and the water exit is also unfavorable, because it means the exit is destroying the site’s elemental base. The controlling cycle is not always negative in Chinese metaphysics (sometimes control is useful), but in San He landform analysis, control from the dragon is always treated as a serious defect.
There is also the draining cycle, which is the reverse of the generating cycle: wood drains water, water drains metal, metal drains earth, earth drains fire, fire drains wood. Draining is less severe than controlling, but it still weakens the site. If the water exit falls on a draining direction, the site’s energy is being slowly depleted rather than violently destroyed. The remedy for draining is to introduce the generating element in the exit sector, which feeds the sitting element and counteracts the drain.
In practical readings, I classify every element interaction as one of four types: generating (best), harmonious (good, same element or same trio), draining (minor defect, fixable), or controlling (major defect, needs strong remedy). This four-level classification gives the client a clear picture of the severity of each finding, and it helps me prioritize which remedies to recommend first. The most serious defects (controlling relationships) get the strongest remedies, while minor defects (draining relationships) may only need symbolic adjustments.
The San He Approach to Interior Layout
Once the external San He reading is complete (dragon, water, embrace, bright hall), the next step is the internal layout. The internal layout distributes the energy that the site receives from the external environment, and a good external reading with a poor internal layout can still produce disappointing results. The San He approach to interior layout uses the same 12 life stages applied to the sitting direction, but it maps them onto the interior sectors of the building.
The first step is to divide the floor plan into eight sectors using the sitting and facing as the primary axis. The eight sectors correspond to the eight trigrams, and each sector contains three of the 24 mountains. You then place the 12 life stages on the sectors according to the sitting element’s birth position, exactly as you did for the external reading. Each sector now has both a trigram quality and a life stage quality, and you use both to determine the best use of each room.
The Emperor’s Prosperity sector is the strongest energy position inside the building, and it should be used for the most important function. In a home, this is the master bedroom or the main living room. In an office, this is the CEO’s office or the main boardroom. In a shop, this is the display area or the cash register position. The Emperor sector supports peak performance, authority, and visibility, so it should be allocated to the activity that most benefits from these qualities.
The Birth sector is the second most favorable position, and it supports growth, creativity, and new beginnings. In a home, this is ideal for a children’s room, a study, or a home office. In a business, it is good for the research and development area, the sales team, or any department that needs to generate new ideas. The Birth sector has a fresh, ascending energy that favors activity and expansion, so it should not be used for storage or for rooms that are rarely occupied.
The Official Appointment sector is the third favorable position, and it supports career advancement, social standing, and external recognition. In a home, this is good for a home office that receives clients, a reception area, or a study where the occupants work on professional development. In a business, it is ideal for the marketing department, the client-facing areas, and the conference room. The Official sector favors activities that involve communication, networking, and public-facing work.
The Death, Grave, and Extinction sectors are the unfavorable positions, and they should be used for functions that do not require active energy. In a home, these sectors are suitable for storage rooms, bathrooms, laundry areas, and garages. In a business, they are suitable for file storage, server rooms, and utility areas. You should not place a bedroom, a main entrance, or a cash register in these sectors, because the energy is too weak or too negative to support important activities.
The Womb and Nourishment sectors are neutral-to-favorable, and they support rest, recovery, and preparation. They are ideal for bedrooms in a home (especially for elderly family members or for a recovery room), and for break rooms or staff rest areas in a business. These sectors have a quiet, nurturing energy that is not as active as the Birth or Emperor sectors but is stable and supportive.
San He and the Annual Flying Stars: A Combined Reading Method
Many practitioners combine San He spatial readings with annual Flying Star temporal readings, and this combined approach is what I use in my own practice. The San He reading gives you the permanent quality of each sector, and the annual Flying Star tells you what is happening in that sector this year. The combination is powerful because it tells you both the baseline quality and the current influence, allowing you to make year-by-year adjustments to the layout.
The method is straightforward. First, perform the San He reading and identify the life stage of each sector. Second, overlay the annual Flying Star chart for the current year, which places the nine stars (1 through 9) into the nine palaces of the floor plan. Third, interpret the combination: a sector that has a favorable San He life stage (Emperor, Birth, Official) and a favorable annual star (8 for wealth, 9 for future prosperity, 1 for career) is the strongest sector for the year, and the main activities should be concentrated there.
A sector that has a favorable San He stage but an unfavorable annual star (2 for illness, 5 for disaster, 3 for arguments) should be used with caution this year. The underlying quality is good, but the temporary influence is negative, so activities should be reduced or remedies applied for the annual star. A sector that has an unfavorable San He stage but a favorable annual star is temporarily usable but should not be relied upon for long-term placement, because the annual star will move next year and the underlying weakness will return.
The most important application of this combined method is the annual main door adjustment. If the main door falls in a sector with the 5 Yellow annual star, it is advisable to use a different entrance for the year, or if that is not possible, to place a metal remedy (the 5 Yellow is an earth star, and metal drains earth) at the entrance. The San He reading tells you the door’s permanent quality, and the Flying Star tells you whether that quality is currently active or suppressed. A door with an Emperor stage San He reading and a 5 Yellow annual star is a door with excellent potential that is temporarily blocked, and the remedy should focus on clearing the temporary blockage rather than changing the permanent layout.
I teach this combined method because it is the most practical approach for residential practice. Pure San He gives you a once-in-a-lifetime reading that does not change, which is useful for choosing a property but less useful for year-to-year adjustments. Pure Flying Star gives you annual changes but no permanent quality assessment. The combination gives you both, and it allows the client to make informed decisions about which rooms to use, which sectors to activate, and which areas to avoid in any given year. For the Flying Star system in detail, read the Flying Star Feng Shui guide on this site.
The San He Practitioner’s Toolkit: What You Actually Need
A common misconception is that you need an extensive collection of tools and objects to practice San He feng shui. You do not. The toolkit is minimal, and the most important tool is knowledge. Here is what you actually need, in order of importance.
First, a luopan. This is the only physical instrument that is essential. I recommend a combination San He / San Yuan luopan with at least 15 rings, including the 24 Mountains, 72 Dragons, 60 Jiazi, and 12 Life Stages rings. A good luopan costs between 80 and 300 SGD, and it will last a lifetime if cared for properly. Do not buy the cheapest one you can find, because the ring alignment on cheap luopans is often inaccurate, and an inaccurate luopan produces inaccurate readings. Invest in a quality instrument from a reputable maker.
Second, a floor plan of the property. You need an accurate floor plan with dimensions and direction markings to perform the internal layout analysis. For apartments, the floor plan from the developer or the resale listing is usually sufficient. For landed properties, a measured survey is better. Mark the sitting and facing directions on the plan, divide it into eight sectors, and note the life stage of each sector. This is your working document during the audit.
Third, a site plan or satellite image showing the surrounding landscape. Google Maps or a similar service is adequate for this. You need to identify the incoming dragon direction, the water entry and exit directions, and the embracing arms. Print the satellite image and mark the directions on it with a pen. This external analysis is done before you enter the property, so you arrive with a preliminary reading already in hand.
Fourth, a notebook or digital device for recording readings. You should record the date, time, sitting direction, facing direction, water directions, life stage placements, and any defects found. Over time, this record becomes your case archive, and it is invaluable for learning. When a client reports results (good or bad), you can go back to your notes and see what the reading predicted, which is how you build experience and refine your judgment.
What you do not need: crystal balls, special incense, feng shui music, lucky charms, or any of the merchandise that is sold under the feng shui label. These items have no role in classical San He practice. If a practitioner tries to sell you a thousand-dollar crystal, walk away. The real practice is about reading the landform and the compass, not about decorating with expensive objects. The remedies I recommend in my audits typically cost less than 50 SGD, because they use basic materials like plants, ceramic pots, and screens that are available at any hardware store.
San He and Health: The Connection Between Direction and Wellbeing
San He has a health dimension that is often overlooked in modern practice, but it was an important part of the classical system. The connection is through the five elements and their associations with the body’s organs. Each element governs specific organs, and when a sector of the home has a harmful energy reading, the corresponding organs of the occupant who spends the most time in that sector can be affected.
The element-organ associations are: wood governs the liver and gallbladder, fire governs the heart and small intestine, earth governs the spleen and stomach, metal governs the lungs and large intestine, water governs the kidneys and bladder. These associations come from Chinese medicine, and they are the basis for the health dimension of San He. If the metal sector of a home has a harmful life stage (Death or Extinction), and the occupant’s bedroom is in that sector, the classical interpretation is that the occupant’s lungs and respiratory system are vulnerable.
I want to be careful here, because this is the area where feng shui most often gets conflated with medicine, and I am not a doctor. What I can say is that in my experience, there is often a correlation between unfavorable sector readings and health complaints, but the causation is indirect. A bedroom in a cramped, poorly ventilated Death-stage sector may be uncomfortable in ways that affect sleep quality, and poor sleep affects health. The feng shui reading identifies the environmental stress, and the medical outcome is a separate matter that should be assessed by a healthcare professional.
The practical application is that when I audit a home and find a bedroom in a Death or Extinction sector, I recommend moving the bedroom to a more favorable sector if possible. If moving is not possible, I recommend remedies to improve the environmental quality of the sector: better ventilation, natural light, plants to improve air quality, and a screen or partition to create a sense of containment. These are practical improvements that also happen to align with the San He remedy principles, and I present them to the client as environmental improvements rather than as medical interventions.
The health dimension becomes more relevant in grave siting (yin zhai), where the classical texts draw a direct line between the grave’s San He quality and the health of the descendants. This is a culturally specific belief that I respect but do not necessarily endorse in a literal sense. What I can say is that the psychological wellbeing of the family is connected to their relationship with the ancestral gravesite, and a site that is well-chosen and well-maintained contributes to the family’s peace of mind, which in turn supports their overall health and functioning. Whether there is also an energetic connection is a matter of belief, and I leave that to the individual practitioner and client to decide.
Teaching San He: My Approach and Why I Wrote This Guide
I teach San He the way I teach every other system on this site: from the foundation up, with complete tables, worked examples, and honest assessments. The reason I wrote this guide is that there is no comprehensive English-language San He reference available. The Chinese texts are dense and assume prior knowledge that most English-speaking students do not have. The English books that mention San He treat it as a footnote to Flying Star or Eight Mansions, which it is not. San He is a complete, independent system with its own logic, its own tools, and its own applications, and it deserves to be taught as such.
My approach is to teach the classical method without simplification. I do not believe in dumbing down Chinese metaphysics for a Western audience, because the simplification usually removes the parts that make the system work. What I do instead is explain the technical terms in plain English, provide tables and diagrams where the texts are ambiguous, and walk through complete worked examples so you can see how the theory is applied. The result is a guide that is as rigorous as the classical texts but accessible to someone who is reading San He for the first time.
If you want to study San He seriously, my recommendation is to read this guide end to end first, then practice on at least ten properties (your own, friends’ homes, commercial buildings you visit) before attempting a paid audit. The practice is essential because San He is a skill, not a body of knowledge. You can memorize every table in this guide and still not be able to read a site, because reading requires judgment that only comes from experience. Every site is different, and the ability to see the dragon, identify the water, and place the life stages on a real landscape is something you develop through repetition.
I also recommend that you study the other systems on this site alongside San He. The Luo Pan guide covers the compass in detail. The Xuan Kong guide covers the San Yuan perspective. The Flying Star guide covers the temporal dimension. The BaZi guide covers the individual destiny dimension. The I Ching guide covers the philosophical foundation. San He is one strand in a larger web of Chinese metaphysics, and understanding how it connects to the other strands makes you a better practitioner. You do not need to master all of them, but you should know enough to see the connections.
If you have questions about San He or want to study with me directly, I offer consultation and training through this site. The consultation page is linked at the top and bottom of every guide, and I work with students at all levels, from beginners who are reading their first luopan to experienced practitioners who want to add San He to their existing toolkit. My teaching is practical and honest: I will show you what works, what does not work, and where the classical texts are ambiguous and you need to rely on your own judgment. That is the only way I know how to teach, and it is the approach that produces competent practitioners rather than parrots who repeat what they read without understanding it.
San He for Apartments: A Modern Translation Guide
Most of my clients in Singapore live in apartments, and the most common question I get is whether San He applies to high-rise living. It does, but the translation from classical landform practice to a 25th-floor unit requires some creative interpretation. Let me give you a systematic method for applying San He to any apartment, because this is the scenario you will encounter most often.
Step one is identifying the sitting and facing of the apartment. The facing is the side with the most windows or the main living area view, and the sitting is the opposite side. In most Singapore apartments, the facing is the side with the balcony and the living room windows, and the sitting is the side with the service yard, the bomb shelter, or the bedrooms facing the back. Take a compass reading at the center of the apartment with the floor plan oriented to the building’s alignment, and record the sitting and facing directions on the 24-mountain ring.
Step two is identifying the dragon. In a high-rise, the dragon is the building itself, or more precisely, the structural support behind the building. If your building is backed by a taller building or a hill, that is the dragon. If your building is the tallest in the area and has nothing behind it, the dragon is weak. The incoming direction of the dragon is the direction from which the tallest neighboring building or the natural hill behind your block is located. I use Google Earth to identify this direction for apartments where the landscape is not visible from the unit.
Step three is identifying the water. In an apartment, water is represented by the roads, walkways, and open spaces visible from the unit. The water entry is the direction from which the main road or pedestrian traffic approaches the building. The water exit is the direction in which the main road leaves. If your building faces a main road that runs north-south, and traffic arrives from the south, the water entry is south and the water exit is north. If the building is surrounded by roads on multiple sides, the primary water is the widest and busiest road, and the secondary water directions are the smaller roads.
Step four is the internal layout analysis. Divide the apartment floor plan into eight sectors using the sitting-facing axis, and place the 12 life stages on the sectors according to the sitting element. Identify the Emperor, Birth, and Official sectors for positive placement, and the Death, Grave, and Extinction sectors for negative placement. This is where most of the practical advice comes from, because in an apartment, you can rearrange rooms and furniture but you cannot change the external landform.
Step five is the remedy assessment. Most apartments have at least one unfavorable sector, and the remedy is usually symbolic because you cannot change the physical structure. The most common apartment remedies are: placing a plant in a weak dragon sector, using a screen to block a harmful energy direction, placing a metal object in a 5 Yellow annual star sector, and choosing the right room for the right occupant based on the life stage of each sector. These are simple, inexpensive adjustments that can make a measurable difference in the comfort and functionality of the space.
The San He Audit Checklist: A Step-by-Step Procedure
For students who want a structured audit procedure they can follow, here is the checklist I use in my own practice. Print this and take it with you to every audit. It ensures you do not skip any step, and it gives you a consistent record that you can refer to when reviewing outcomes.
1. External landform assessment (before entering the property): identify the incoming dragon direction and quality, identify the water entry direction, identify the water exit direction, assess the green dragon (left) and white tiger (right) embrace, assess the bright hall (front open space). Note any form defects: straight roads pointing at the site, sharp angles from neighboring buildings, missing embracing arms, blocked bright hall.
2. Compass reading: stand at the center of the site (or the main entrance for apartments), hold the luopan level at waist height, wait for the needle to settle, record the sitting direction (24-mountain), record the facing direction (opposite of sitting), take a second reading 3 meters away to verify consistency. If the readings differ by more than 15 degrees, check for magnetic interference and find a clearer spot.
3. Element analysis: determine the sitting element from the Earthly Branch of the sitting mountain, determine the dragon element from the incoming direction, determine the water entry and exit elements from their directions, classify each relationship (generating, harmonious, draining, controlling).
4. Life stage placement: place the 12 life stages on the 24-mountain ring starting from the birth position of the sitting element, identify the stage at the water entry, the stage at the water exit, the stage at the main entrance, the stage at the brightest sector of the interior.
5. Three harmony check: identify the sitting trio (one of the four three-harmony combinations), check whether the water exit is in the same trio, check whether the dragon is in the same trio, check whether the main entrance is in the same trio.
6. Special checks: check for Yellow Spring direction (from the sitting trigram), check for murderous exits (Death or Extinction stage exits), check for San Sha and Sui Po for the current year, check for He Tu trigram harmony between sitting and facing.
7. Internal layout: divide the floor plan into eight sectors, place the life stages on the interior, identify the best sectors for bedroom, living room, kitchen, and office, identify the sectors to avoid for important functions, note any internal form defects (beams, sharp corners, missing sectors).
8. Remedy recommendations: list all defects found, rank by severity, prescribe remedies (physical, symbolic, or temporal), provide a written summary for the client with diagrams and clear instructions.
This checklist takes about 45 to 60 minutes for a residential property and 90 to 120 minutes for a commercial property. The more you practice, the faster the first four steps become, because you start to recognize patterns instantly. The detailed analysis (steps 5 through 8) always takes time, because each site is unique and you need to think through the implications carefully. Do not rush the analysis, because the quality of your recommendations depends on the quality of your thinking, not the speed of your luopan reading.
Common Questions From Students
Over the years of teaching San He, I have encountered the same questions repeatedly. Here are the most common ones, with my answers, so that you can benefit from the discussion without having to ask.
Q: Can San He be applied to a property that has no natural water features? A: Yes. In modern practice, roads substitute for rivers, and the traffic flow substitutes for water flow. Every property has a road or pathway that brings people and energy to it, and that is your water. The principle is the same: identify where the energy comes from, where it goes, and what stage it is in at the site. The only difference is that you are reading roads instead of rivers.
Q: What if the sitting direction is between two mountains, not exactly on one? A: You use the mountain that is closest. If the sitting falls exactly on the boundary between two mountains (7.5 degrees from each), you have a shared sitting, and both mountains influence the reading. In this case, check both elements and both life stages, and use the more conservative interpretation. Also note that a boundary sitting is considered slightly less stable than a centered sitting, because the energy is split between two directions.
Q: How often should a San He audit be updated? A: The spatial reading (sitting, facing, water, dragon) does not change unless the landscape changes. The annual readings (San Sha, Sui Po, Flying Stars) change every year. I recommend a full audit when moving into a property, and an annual review each year to update the temporal influences. The annual review takes about 30 minutes and focuses on the Flying Star overlay and the San Sha/Sui Po check.
Q: Is San He compatible with Eight Mansions (Ba Zhai)? A: They measure different things. San He reads the landform and water through the 12 life stages. Eight Mansions reads the individual’s trigram compatibility with the eight sectors. They can be used together: use San He to assess the property’s fundamental quality, and use Eight Mansions to match the rooms to the occupants. When they disagree on a specific room assignment, prioritize the San He reading for permanent placement and the Eight Mansions reading for personal preference. For the Eight Mansions system in detail, read the Eight Mansions guide on this site.
Q: Can I learn San He from books alone, or do I need a teacher? A: You can learn the theory from books (including this guide), but you need practice on real sites to develop judgment. A teacher accelerates this process by correcting your errors and showing you things you might miss. If a teacher is not available, practice on at least 20 properties before doing a paid audit, and keep detailed records of your readings and outcomes so you can learn from the results.
The Future of San He Practice
San He is a classical system, but it is not frozen in the past. As the built environment changes, the application of San He evolves, and the question of how the system adapts to modern architecture is one that every serious practitioner must address. I want to share my thoughts on where San He is heading and what challenges the next generation of practitioners will face.
The first challenge is the increasing height of buildings. Classical San He was developed for one- to three-story structures on natural landforms. Applying it to 50-story condominiums requires abstraction: the dragon becomes the building’s structural axis, the water becomes the viewpoint and the traffic pattern, and the life stages are applied to the vertical stack of floors as well as the horizontal sectors. I have been developing a vertical San He method for high-rise practice, where the lower floors are treated as the Womb and Nourishment stages (foundation energy), the middle floors as the Birth and Growth stages (ascending energy), and the upper floors as the Emperor and Decline stages (peak and diminishing energy). This is not a classical method, it is my own adaptation, and I share it here for practitioners who are working with high-rise properties and need a framework.
The second challenge is the digitization of feng shui tools. There are now apps that simulate the luopan and calculate the 24-mountain readings automatically. These tools are convenient, and I use them for preliminary assessments, but they do not replace the physical luopan for a formal audit. The reason is that the physical luopan grounds you at the site: you stand where the energy is, you feel the wind, you see the landscape, and the reading you take is connected to your physical presence at the location. An app reading taken in your office is disconnected from the site, and it lacks the contextual information that your senses provide. Use apps for reference, but do your formal audits with a physical luopan on site.
The third challenge is the preservation of classical knowledge. The classical texts are in classical Chinese, and as the younger generation becomes less fluent in classical Chinese, there is a risk that the detailed knowledge of San He will be lost. This guide is one attempt to preserve that knowledge in English, but it is a single source, and the field needs more practitioners who can read the classical texts and translate them for modern students. If you are studying San He and you have classical Chinese reading ability, I encourage you to study the original texts (Han Long Jing, Tian Yu Jing, and Yi Long Jing) and share your understanding with the next generation of students.
The fourth challenge is the tension between classical authenticity and modern accessibility. Some practitioners simplify San He to make it more marketable, stripping out the technical content and presenting it as a set of placement rules. This makes the system more accessible but less accurate, because the technical content is what makes the readings work. My position is that the system should be taught in full, with all the technical content, and that students who put in the effort to learn it properly will be better practitioners than those who learn the simplified version. The market for authentic, rigorous San He practice exists, and it is growing as more people realize that the simplified versions do not produce reliable results.
Despite these challenges, I am optimistic about the future of San He. The system has survived for over a thousand years because it works, and it will continue to survive because it measures something real: the relationship between a building and its environment, which is as relevant in the 21st century as it was in the Tang Dynasty. The tools and the language may change, but the underlying principle, that the quality of a site is determined by the flow of energy through the landscape, is timeless. As long as people build buildings and live in them, San He will have something to say about where and how to build.
A Final Word on San He and the Path of Practice
I have covered the full San He system in this guide: the history, the 24 mountains, the 12 life stages, the three harmonies, the water methods, the dragon and embrace analysis, the internal layout, the remedies, the date selection, the annual overlays, and the modern applications. If you have read this far, you have more knowledge of San He than most feng shui practitioners in the English-speaking world, and you are equipped to start practicing on real sites.
What I want to leave you with is a thought about the relationship between knowledge and practice. San He is a living tradition, which means it is not preserved in books alone. It is preserved in the act of reading sites, making recommendations, observing outcomes, and refining judgment. Every audit you perform adds to the tradition, and every student who learns the system and practices it with integrity contributes to its preservation.
My own path to San He was through years of study and practice, first as a student learning from teachers, then as a practitioner learning from sites, and now as a teacher learning from students. The transition from student to practitioner to teacher is the natural arc of a serious practice, and I encourage you to follow it. Learn the system. Practice it. When you are confident, teach it. The field needs more competent practitioners who understand the classical methods and can apply them in modern contexts, and the only way that happens is if each generation passes its knowledge to the next.
I also want to acknowledge that San He, like every system of Chinese metaphysics, operates in a space between science and tradition. I cannot prove that the 12 life stages influence the energy at a site, and I do not try. What I can say is that the system produces consistent, actionable readings that help my clients make better decisions about their properties, and that the remedy recommendations I give, whether they work through energy or through environmental psychology, result in measurable improvements in comfort, functionality, and satisfaction. Whether you call it feng shui or environmental design, the outcome is the same: a better living and working space.
If you want to continue studying, the other guides on this site cover the systems that complement San He: the Flying Star guide for the temporal dimension, the Xuan Kong guide for the advanced compass methods, the Eight Mansions guide for personal trigram compatibility, the Luo Pan guide for the compass itself, the BaZi guide for individual destiny, and the I Ching guide for the philosophical foundation. Each of these systems is complete on its own, but together they form the full spectrum of classical Chinese metaphysics, and a practitioner who understands all of them is equipped to handle any question that a client can ask.
Thank you for reading. I wish you well in your study and practice, and I am available for questions, consultations, and training through the contact page on this site. The path of San He is long, but it is rewarding, and I hope this guide has given you a solid foundation to begin.
San He and the Other Pillars on This Site: A Cross-Reference Guide
This pillar does not stand alone. San He is one of many systems covered on dougleschan.com, and understanding how it connects to the others will deepen your practice significantly. Let me map the connections so you can navigate between the guides with purpose rather than wandering.
The closest relative is the Xuan Kong guide. Xuan Kong, also called the Mystery of Time and Space, is the system behind Flying Star feng shui, and it is the San Yuan counterpart to San He. Where San He reads the permanent spatial quality, Xuan Kong reads the temporal cycles that activate or suppress that quality. If you want to understand why a site with good San He can still have bad years, read the Xuan Kong guide for the temporal dimension.
The Flying Star guide is the practical application of Xuan Kong theory. It gives you the star charts, the period system, and the annual star movements that combine with the San He reading. I covered the combined method earlier in this guide, but the full Flying Star system is explained in its own pillar, and you should read it before attempting the combined reading method.
The Luo Pan guide covers the compass itself, including the 24 mountains in detail, the ring systems, and how to take a reading. If the 24-mountain discussion in this guide felt incomplete, it is because the full treatment is in the Luo Pan guide. Read that guide for the compass foundation, then come back here for the San He-specific application.
The Eight Mansions guide covers the Ba Zhai system, which uses the individual’s Gua number to determine favorable and unfavorable directions. Eight Mansions is a personal compatibility system, while San He is a landform system. They complement each other: use San He to assess the property, and use Eight Mansions to match the rooms to the occupants. The Eight Mansions guide has the Gua number calculation tables and the direction rankings for each group.
The BaZi guide covers the Four Pillars of Destiny, which is the individual’s birth chart. BaZi tells you about the person, San He tells you about the place. Together they answer: is this person suited to this place? A person with a strong fire day master may benefit from a metal-sitting property (fire controls metal, which means the person has authority over the site’s energy), while a person with a weak water day master may find a fire-sitting property draining (fire evaporates water). The BaZi guide has the chart calculation method and the day master analysis.
The Yin-Yang guide covers the foundational philosophy. Every concept in San He, from the 12 life stages to the three harmonies, is ultimately an application of Yin-Yang theory. If you find yourself confused by the counter-clockwise vs clockwise rotation of the life stages, or by the Yin-Yang classification of trigrams, the Yin-Yang guide will clarify the underlying logic.
The I Ching guide covers the Book of Changes, which is the source text for the trigram system. The eight trigrams used in San He come from the I Ching, and understanding their original meaning enriches your San He practice. When you read the Qian trigram as creative energy rather than just a compass direction, your interpretation gains depth. The I Ching guide has the full trigram reference and the divination method.
The Feng Shui guide is the overview pillar that covers the entire field. If you are new to feng shui and this San He guide feels too advanced, start with the Feng Shui guide for the foundational concepts, then return here. The Feng Shui guide covers qi, the five elements, the bagua, and the basic form and compass principles that underlie all schools.
The San He Water Method in Historical Context
The water method is what makes San He distinctive, and it has a history that is worth understanding if you want to appreciate why the system works the way it does. The earliest San He water theories were developed in agricultural China, where the relationship between a settlement and its water source was a matter of survival. A village needed water for drinking, irrigation, and sanitation, and the quality and direction of the water flow directly affected the health and prosperity of the community. The feng shui masters who developed San He were, in effect, doing environmental site assessment, and the water method was their primary tool.
The four water exits (to the Grave, Official, Birth, and Death/Extinction stages) correspond to four different relationships between the settlement and the water. A water exit to the Grave stage meant the water was leaving through a consolidating position, which in practical terms usually meant the water exited into a lake, pond, or marsh where it spread out and slowed down. This was favorable because the settlement retained water access and the land around the exit was fertile. A water exit to the Death stage meant the water was leaving through a steep, fast-flowing channel, which was unfavorable because the water rushed away and was lost to the settlement. The feng shui reading reflected the agricultural reality: sites that retained water were prosperous, and sites that lost water quickly struggled.
Over centuries, the practical observations were codified into the compass method, and the agricultural context was abstracted into the elemental and life stage framework. The result is a system that reads the landscape through a sophisticated symbolic language, but the underlying logic is still environmental: water that accumulates is good, water that rushes away is bad. The same principle applies to roads in a modern city. A road that curves and slows near your property brings traffic that stops and enters (customers, visitors, energy). A road that rushes straight past your property takes traffic away without sharing any. The feng shui reading and the urban planning observation agree, even though they use different vocabularies.
Understanding this history helps you apply San He with judgment rather than dogma. When a classical text says a certain water exit is harmful, you can ask: what is the environmental reality behind this classification? If the environmental reality in your modern context is different from the agricultural context where the rule was developed, you can adjust your interpretation while preserving the underlying principle. This is what makes a practitioner rather than a parrot: the ability to see through the rule to the reason, and to apply the reason when the rule is ambiguous.
I should also note that the water method is where the different San He lineages diverge most significantly. The Yang Yun Song lineage uses the 12 life stages as the primary water classification. The Fujian lineage uses a different system called the 9 Stars Water Method, which classifies water directions by assigning stars rather than life stages. The Lai Bu Yi lineage uses the 72 Dragons ring for a finer water reading. I teach the Yang Yun Song method in this guide because it is the most widely practiced, but if you encounter a practitioner using a different water method, they are not wrong, they are following a different lineage with a different (but equally valid) classification system.
San He for Renovation and Moving: Timing the Change
When a client wants to renovate or move, the San He date selection method becomes the primary tool. The goal is to choose a date that activates the favorable sectors of the property and avoids the harmful annual directions. Here is the practical procedure I use for renovation and moving consultations.
For renovations, the first check is the San Sha direction for the current year. No renovation work should be done in the San Sha sector, because disrupting the ground or walls in that direction is believed to activate harmful energy. If the renovation must include the San Sha sector (for example, if the kitchen is in that sector and the kitchen needs updating), the remedy is to start the renovation from a different sector and work toward the San Sha sector last, minimizing the time spent in that direction. You can also choose a date within the year when the monthly San Sha has moved away from the sector, though this requires consulting a detailed Tong Shu (Chinese almanac).
For moving into a new property, the date selection focuses on the facing direction of the main entrance. The moving date should place the facing direction in a favorable life stage: Birth, Official, or Emperor. The date’s stem-branch should also be compatible with the sitting element: generating or harmonious, not controlling. The date should not clash with the occupant’s BaZi year branch (for example, if the occupant was born in a Goat year, a Chou day clashes with the year branch and should be avoided).
The moving procedure itself has San He considerations. The first person to enter the new property should be the head of household, carrying an item that symbolizes prosperity (traditionally a rice container or a coin vessel). The first entry should be through the main entrance, not through a side door or a service entrance. The first room to be activated (by placing the first item of furniture or by spending the first few minutes in it) should be the Emperor sector, because this activates the peak energy of the site first and sets the tone for the rest of the occupancy.
For commercial moving (opening a new shop or office), the opening date should align with the water entry direction, because water represents customers and revenue. The opening date should place the water entry direction in its Birth or Emperor stage, and the date’s element should generate the sitting element. I also recommend choosing a date that falls on a Sheng Qi (Noble Helper) day, which is calculated from the BaZi system and is considered universally auspicious for new ventures. The BaZi guide on this site has the Sheng Qi calculation method.
One note about moving dates: clients often want to move on weekends for practical reasons, and the most auspicious date may fall on a weekday. In my experience, the feng shui quality of the date is a secondary consideration after the practical needs of the family. If the best date is a Wednesday but the client can only move on Saturday, I choose the best Saturday date rather than insisting on the weekday. Feng shui is meant to serve the client, not the other way around, and a slightly less optimal date with a smooth practical move is better than an optimal date with a stressful, rushed move.
San He and the Environment: A Sustainable Perspective
An aspect of San He that is rarely discussed but that I find increasingly relevant is its alignment with sustainable design. San He was developed in an era when buildings were constructed from local materials, oriented to maximize natural ventilation and daylight, and positioned to work with the natural water flow rather than against it. These are exactly the principles that modern sustainable architecture advocates, and I see a convergence between classical San He and contemporary green building that is worth exploring.
The San He emphasis on the dragon (natural back support), the bright hall (open front space), and the embracing arms (lateral containment) is essentially a prescription for a sheltered, well-oriented building that maximizes natural protection and minimizes exposure to harsh weather. A house that sits with its back to a hill (dragon) and faces an open valley (bright hall) with hills on both sides (embrace) is naturally protected from cold northern winds, receives sunlight from the south, and has natural drainage. This is good feng shui and good architecture.
The San He water method, which favors water that accumulates and disapproves of water that rushes away, is a prescription for rainwater harvesting and natural drainage management. A site where water exits gently into a containment area (Prosperity Gate) is a site where rainwater is naturally retained, recharging the groundwater and supporting vegetation. A site where water rushes away down a steep channel (Murderous Gate) is a site with poor drainage that loses its water quickly, leading to erosion and dryness. The feng shui remedy (redirect water, slow it down, contain it) is the same as the sustainable drainage remedy.
The internal layout recommendations, which place bedrooms in quiet sectors and active functions in energetic sectors, are essentially a thermal comfort analysis. The Death and Grave sectors, which I recommend for storage and utility rooms, are often the coldest, darkest, or least ventilated parts of the building. The Emperor and Birth sectors, which I recommend for living spaces and offices, are often the warmest, brightest, and most comfortable. The feng shui reading and the thermal comfort analysis agree because they are both responding to the same physical environment.
I raise this connection not to claim that San He is a form of environmental science, but to show that the system has a practical foundation that is as relevant today as it was a thousand years ago. When I audit a property, the San He reading and the environmental assessment often converge: a good feng shui site is usually a comfortable, well-oriented, well-drained site, and a bad feng shui site is usually an exposed, poorly drained, uncomfortable site. The vocabulary is different, but the findings are the same, and the client benefits from both perspectives. As sustainable design becomes more mainstream, I expect feng shui and environmental architecture to become natural allies, each enriching the other’s understanding of how buildings and landscapes interact.
Appendix: Quick Reference Tables for San He Practice
This appendix collects the key tables you need during practice, so you can find them quickly without searching through the guide. Print these tables and laminate them for field use.
Table 1: The Three Harmonies Trios. Water: Shen-Zi-Chen. Wood: Hai-Mao-Wei. Fire: Yin-Wu-Xu. Metal: Si-You-Chou. Each trio spans 120 degrees and contains three Earthly Branches that are four positions apart in the 12-branch cycle.
Table 2: The Five Element Birth Positions. Fire/Earth: Birth at Yin, clockwise. Water: Birth at Shen, counter-clockwise. Wood: Birth at Hai, clockwise. Metal: Birth at Si, counter-clockwise. Earth (alternative convention): Birth at Shen, counter-clockwise (same as water). Use one convention consistently.
Table 3: The 12 Life Stages in Sequence. 1. Chang Sheng (Birth), 2. Mu Yu (Bathing), 3. Guan Dai (Cap and Belt), 4. Lin Guan (Official Appointment), 5. Di Wang (Emperor’s Prosperity), 6. Shuai (Decline), 7. Bing (Sickness), 8. Si (Death), 9. Mu (Grave), 10. Jue (Extinction), 11. Tai (Womb), 12. Yang (Nourishment). Each stage occupies two mountains (30 degrees).
Table 4: The Four Water Gates. Prosperity Gate: exit at Grave stage (accumulation, wealth). Official Gate: exit at Official Appointment stage (career, authority). Birth Gate: exit at Birth stage (growth, creativity). Murderous Gate: exit at Death or Extinction stage (harmful, remedy needed).
Table 5: The Five Element Relationships. Generating: wood to fire, fire to earth, earth to metal, metal to water, water to wood. Controlling: wood controls earth, earth controls water, water controls fire, fire controls metal, metal controls wood. Draining: wood drains water, water drains metal, metal drains earth, earth drains fire, fire drains wood.
Table 6: San Sha Directions by Year. Rat year: south (Wu-Bing-Ding). Ox year: east (Jia-Mao-Yi). Tiger year: north (Ren-Zi-Gui). Rabbit year: west (Geng-You-Xin). Dragon year: south (Wu-Bing-Ding). Snake year: east (Jia-Mao-Yi). Horse year: north (Ren-Zi-Gui). Goat year: west (Geng-You-Xin). Monkey year: south (Wu-Bing-Ding). Rooster year: east (Jia-Mao-Yi). Dog year: north (Ren-Zi-Gui). Pig year: west (Geng-You-Xin). For 2027 (Goat year), San Sha is in the west.
Table 7: Sui Po (Year Breaker) Directions. Rat: Horse. Ox: Goat. Tiger: Monkey. Rabbit: Rooster. Dragon: Dog. Snake: Pig. Horse: Rat. Goat: Ox. Monkey: Tiger. Rooster: Rabbit. Dog: Dragon. Pig: Snake. For 2027 (Goat year), Sui Po is Ox (northeast).
Table 8: Trigram to 24-Mountain Assignment. Qian (NW): Xu, Qian, Hai. Kan (N): Ren, Zi, Gui. Gen (NE): Chou, Gen, Yin. Zhen (E): Jia, Mao, Yi. Xun (SE): Chen, Xun, Si. Li (S): Bing, Wu, Ding. Kun (SW): Wei, Kun, Shen. Dui (W): Geng, You, Xin. Each trigram governs three mountains spanning 45 degrees.
These tables cover the core data you need for a San He audit. Keep them with your luopan, and reference them during practice until you have memorized them. With enough repetitions, the tables become internalized and you will be able to read a site without consulting them, but until then, there is no shame in checking. Accuracy matters more than speed.