The Five Elements
五行详解 · 金木水火土
The Five Elements — Metal (金), Wood (木), Water (水), Fire (火), and Earth (土) — are the fundamental forces of Chinese astrology and metaphysics. They interact through generating (生) and controlling (克) cycles, shaping your BaZi chart and everything in the natural world.
How does the generating cycle (相生) work?
Wood feeds Fire → Fire creates Earth (ash) → Earth bears Metal → Metal collects Water (condensation) → Water nourishes Wood.
木生火 → 火生土 → 土生金 → 金生水 → 水生木
How does the controlling cycle (相克) work?
Wood breaks Earth (roots) → Earth absorbs Water (dams) → Water extinguishes Fire → Fire melts Metal → Metal chops Wood.
木克土 → 土克水 → 水克火 → 火克金 → 金克木
What does each element mean — and which one am I?
People usually meet this system by asking which element they are — “am I a Fire person?” The honest answer is that the element standing for you is your Day Master, the stem of the day you were born, and no personality quiz can reach it: it comes from your birth date. What follows is what each element is like when it is the one standing for you.
Am I a Metal person? (金)
Structure, discipline, righteousness. Metal people are principled, organized, and value precision. They thrive on clarity and can be formidable when focused.
- Generates: Water (金生水)
- Controls: Wood (金克木)
- Generated by: Earth (土生金)
- Controlled by: Fire (火克金)
Am I a Wood person? (木)
Growth, expansion, flexibility. Wood people are idealistic, creative, and driven to grow. They adapt well but can become rigid when their vision is blocked.
- Generates: Fire (木生火)
- Controls: Earth (木克土)
- Generated by: Water (水生木)
- Controlled by: Metal (金克木)
Am I a Water person? (水)
Wisdom, adaptability, depth. Water people are intuitive, reflective, and resourceful. They flow around obstacles but can become withdrawn when overwhelmed.
- Generates: Wood (水生木)
- Controls: Fire (水克火)
- Generated by: Metal (金生水)
- Controlled by: Earth (土克水)
Am I a Fire person? (火)
Passion, warmth, transformation. Fire people are charismatic, energetic, and inspiring. They light up a room but can burn out without steady fuel.
- Generates: Earth (火生土)
- Controls: Metal (火克金)
- Generated by: Wood (木生火)
- Controlled by: Water (水克火)
Am I an Earth person? (土)
Stability, nourishment, patience. Earth people are grounded, reliable, and nurturing. They provide a foundation for others but can become stuck in inertia.
- Generates: Metal (土生金)
- Controls: Water (土克水)
- Generated by: Fire (火生土)
- Controlled by: Wood (木克土)
Which element are you in BaZi?
In your BaZi chart, your Day Master (日主) is your core element. The balance of all five elements in your chart — and how they shift across your luck cycles — reveals your strengths, challenges, and the rhythm of your life. Cast your chart on Auspice to discover yours.
They are phases, not substances
The usual translation, "Five Elements," is a little misleading. The Chinese is 五行, and 行 means movement, phase, a way of going. These are not five materials the world is built from; they are five stages a process passes through.
Wood is the phase of pushing outward and upward — spring, beginnings, the part of a project where everything is possibility. Fire is peak expression and visibility. Earth is settling, consolidating, the turn between seasons. Metal is contraction, refinement, cutting away. Water is stillness, storage, the underground part of the year where nothing appears to happen and everything is being prepared.
Read that way, a chart heavy in Metal is not describing someone made of metal. It is describing someone whose default motion is to refine, to cut, to bring things to a standard.
Am I yin or yang? Every element comes in both
Each of the five splits in two, which is where the ten heavenly stems come from. Yang Wood (甲) is the standing tree — upright, structural, slow to bend. Yin Wood (乙) is grass and vine — flexible, persistent, growing around obstacles rather than through them.
The same division runs through all five. Yang Fire is the sun; yin Fire is the lamp and the candle. Yang Water is the river and the ocean; yin Water is mist, dew, rain. Yang Metal is ore and the blade; yin Metal is jewellery and fine wire. Yang Earth is the mountain; yin Earth is the tilled field.
This matters because "I am Wood" is not yet a description. Yang Wood and yin Wood want different things and fail in different ways, and a reading that ignores the distinction is not really reading your chart.
Two more relationships: draining and insulting
Generating and controlling are the two cycles everyone learns, but they are not the whole story. Two further relationships do a lot of the work in an actual reading.
Draining (泄) is the generating cycle seen from the other side. Wood feeds Fire — which is support if you are the Fire, and depletion if you are the Wood. A chart with abundant Output is spending itself creatively; whether that reads as generosity or exhaustion depends on how much the Day Master had to spare.
Insulting (侮) is the controlling cycle running backwards. Metal normally cuts Wood, but a forest against a single blade will blunt it. When the element that should be controlled is overwhelmingly strong, the controller is the one that suffers. This is why "add the controlling element" is bad advice applied blindly — a small amount of the right element helps, and a small amount against an overwhelming force just gets destroyed.
The same element behaves differently in each season
An element is strong or weak largely according to the season it was born into, which in a chart means the branch of the month pillar. The tradition grades this in five states: 旺 (thriving), 相 (supported), 休 (resting), 囚 (trapped), and 死 (dormant).
Water in winter is 旺 — at home, abundant, possibly too much of a good thing. The same Water in high summer is drained and outnumbered, and everything the chart says about it changes accordingly. This is why the month pillar carries extra weight in any serious calculation, and why our own scoring multiplies the month branch by 1.5.
It is also why an element count alone tells you very little. Three Waters born in summer and three Waters born in winter are not the same three Waters.
Balance does not mean equal amounts
The most common misreading of a Five Elements chart is to look for five equal columns and call anything else a defect. Almost nobody has an even distribution, and an even distribution is not the goal.
What a reading looks for is whether the Day Master has enough support to carry what the rest of the chart demands of it. A chart can be lopsided and work well, if the excess happens to be something that particular Day Master can use. A chart can look tidy and still be strained.
A missing element is likewise not a hole to be patched. It usually describes a mode that simply is not native to you — something you may have to reach for deliberately rather than something broken. Charms and colours sold to "fill in your missing element" are commerce, not classical practice.
For the wider system these five sit inside, read what BaZi is; to see where your own elements come from, how a BaZi chart is calculated walks the four pillars step by step. For how we weight the elements and grade seasonal strength, see the charting method. Or cast your chart and see your own distribution — free, no account.