BaZi Basics
BaZi Compatibility Basics
How BaZi compatibility is read: Day Master relations, day-branch interactions, mutual useful elements and timing — and why compatibility is not a pass/fail score.
BaZi Calculator · 2026/10/13
The Output stars (食神, 伤官) and Resource stars (正印, 偏印) in BaZi: expression and learning, how they balance each other, and the patterns practitioners look for.
By BaZi Calculator · Updated 2026/10/13
The Output and Resource stars form a natural pair: one is what the Day Master gives out, the other what it takes in. Reading them together shows how a chart balances expression with support.
Output drains the Day Master. For a strong Day Master this is healthy release; for a weak one it can be exhausting.
Resource strengthens the Day Master. For a weak chart it is often the useful element; for an already strong one, too much Resource can feel like inertia.
Resource controls Output (印克食伤). Two classic patterns:
Output also controls Officer: Eating God controls Seven Killings is one of the most admired patterns.
| Day Master \ stem | 甲 | 乙 | 丙 | 丁 | 戊 | 己 | 庚 | 辛 | 壬 | 癸 |
|---|---|---|---|---|---|---|---|---|---|---|
| 甲 | Friend | Rob Wealth | Eating God | Hurting Officer | Indirect Wealth | Direct Wealth | Seven Killings | Direct Officer | Indirect Resource | Direct Resource |
| 乙 | Rob Wealth | Friend | Hurting Officer | Eating God | Direct Wealth | Indirect Wealth | Direct Officer | Seven Killings | Direct Resource | Indirect Resource |
| 丙 | Indirect Resource | Direct Resource | Friend | Rob Wealth | Eating God | Hurting Officer | Indirect Wealth | Direct Wealth | Seven Killings | Direct Officer |
| 丁 | Direct Resource | Indirect Resource | Rob Wealth | Friend | Hurting Officer | Eating God | Direct Wealth | Indirect Wealth | Direct Officer | Seven Killings |
| 戊 | Seven Killings | Direct Officer | Indirect Resource | Direct Resource | Friend | Rob Wealth | Eating God | Hurting Officer | Indirect Wealth | Direct Wealth |
| 己 | Direct Officer | Seven Killings | Direct Resource | Indirect Resource | Rob Wealth | Friend | Hurting Officer | Eating God | Direct Wealth | Indirect Wealth |
| 庚 | Indirect Wealth | Direct Wealth | Seven Killings | Direct Officer | Indirect Resource | Direct Resource | Friend | Rob Wealth | Eating God | Hurting Officer |
| 辛 | Direct Wealth | Indirect Wealth | Direct Officer | Seven Killings | Direct Resource | Indirect Resource | Rob Wealth | Friend | Hurting Officer | Eating God |
| 壬 | Eating God | Hurting Officer | Indirect Wealth | Direct Wealth | Seven Killings | Direct Officer | Indirect Resource | Direct Resource | Friend | Rob Wealth |
| 癸 | Hurting Officer | Eating God | Direct Wealth | Indirect Wealth | Direct Officer | Seven Killings | Direct Resource | Indirect Resource | Rob Wealth | Friend |
Ask: what does this chart do with its energy (Output), and where does it recover (Resource)? A chart full of Output but no Resource may produce a lot and burn out; full of Resource but no Output may know much and share little.
Output is the element the Day Master produces; Resource is the element that produces the Day Master. For a 甲 wood Day Master, fire is Output (丙 Eating God, 丁 Hurting Officer) and water is Resource (壬 Indirect Resource, 癸 Direct Resource). For a 庚 metal Day Master, water is Output (壬 Eating God, 癸 Hurting Officer) and earth is Resource (戊 Indirect Resource, 己 Direct Resource). Same polarity gives Eating God and Indirect Resource; opposite polarity gives Hurting Officer and Direct Resource. The Ten Gods calculator labels every stem and hidden stem automatically.
Eating God (食神) is often called the gentlest of the Ten Gods. It drains the Day Master smoothly, produces Wealth, and controls Seven Killings. Traditional descriptions include enjoyment of food and comfort, an easy teaching or creative style, and generosity. In a strong chart it is one of the most favoured stars, because it turns surplus energy into output without conflict. In a weak chart, too much Eating God is read as spreading oneself thin.
Hurting Officer (伤官) is sharper. It controls Direct Officer — hence its name — and is associated with brilliance, critique, performance, originality and impatience with hierarchy. Classical texts are wary of it when Direct Officer is also prominent, the pattern called 伤官见官. Modern readers often frame strong Hurting Officer as talent that needs an outlet: freelance work, performance, writing, research or any setting where independent judgement is valued. When Hurting Officer produces Wealth (伤官生财), the talent has a practical channel.
Direct Resource (正印) is associated with formal learning, credentials, mentors, care and protection. It is the classic remedy for a weak Day Master under pressure from Officer: Officer produces Resource, Resource produces the Day Master, and the pressure becomes support.
Indirect Resource (偏印, also called 枭神) is associated with specialised or unconventional knowledge — technical fields, metaphysics, research, intuition — and with a more solitary style of learning. Its classical concern is that it controls Eating God. When Eating God is useful and Indirect Resource is heavy, the chart is said to have its "food seized".
| Chart condition | What practitioners look for |
|---|---|
| Strong Day Master, little Output | Output as the useful element, to release energy |
| Weak Day Master, heavy Output | Resource to restore energy and restrain Output |
| Heavy Resource, strong Day Master | Wealth to control Resource (财破印) |
| Hurting Officer and Direct Officer clash | Resource to mediate, or Wealth to connect them |
| Seven Killings pressure, weak Day Master | Resource to transform it, or Eating God to control it |
These remedies are the core of the useful element method. They show why Output and Resource are rarely read alone.
Luck pillars that bring Output emphasise expression and production; those that bring Resource emphasise learning, support and recovery. A weak Day Master moving into a Resource luck pillar often reports more stability; a strong Day Master moving into an Output luck pillar often reports more productivity. Use the luck pillar calculator to see which decades bring which elements.
Which is better, Eating God or Hurting Officer? Neither in general; it depends on strength and what else is present.
Can Resource be unfavourable? Yes. For a strong Day Master, heavy Resource adds to the excess.
What is 伤官配印? Hurting Officer paired with Resource: talent made disciplined by learning.
Use these questions with your own chart from the Ten Gods calculator:
If Output dominates in a weak chart, Resource is usually the remedy. If Resource dominates in a strong chart, Wealth or Output usually helps. Writing the answers down makes the balance visible at a glance and prepares you for reading luck pillars, where these elements arrive and depart decade by decade.
Output in the month often colours the whole chart's style — an Eating God structure is relaxed and productive; a Hurting Officer structure is sharp and expressive. Resource in the month or day branch gives the Day Master a strong source of support close at hand; Resource only in the year is more distant. In the hour, Output is traditionally linked to children and creative legacy. Read each star with its pillar position.
Next: Companions and Rob Wealth.
BaZi Basics
How BaZi compatibility is read: Day Master relations, day-branch interactions, mutual useful elements and timing — and why compatibility is not a pass/fail score.
BaZi Calculator · 2026/10/13
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BaZi Calculator · 2026/10/13