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Useful God (Yong Shen)

Useful God, Yong Shen, has more than one meaning in Bazi literature. In Zi Ping Zhen Quan it is the month-based organizing role used to discuss patterns. In modern balancing or climate-adjustment readings it may mean an element judged helpful to the chart. These definitions must be distinguished before giving advice.

Last updated · Jan 15, 2026

Useful God — the key balancing element in Bazi

Definition

Useful God, Yong Shen, has more than one meaning in Bazi literature. In Zi Ping Zhen Quan it is the month-based organizing role used to discuss patterns. In modern balancing or climate-adjustment readings it may mean an element judged helpful to the chart. These definitions must be distinguished before giving advice.

Worked example

For Jia born in You month, Xin Metal in the month branch is an Officer relationship. A pattern-based reader can call that month role the Useful God, while a balancing reader asks a separate question about what supports or regulates the whole chart. Neither can be found merely by adding the element with the fewest visible characters.

Limits

The linked chapter expressly starts with the month branch. It does not supply evidence that a lucky color, industry or compass direction will improve a person's outcomes. A report should show the school, chart inputs and reasoning, including disagreements.

Sources

On the Useful God expressly starts from the month branch and divides patterns by the Day Stem's relationships. This primary passage supports distinguishing pattern use from the later balancing-element meaning.

Quoted excerpts

八字用神,專求月令,以日干配月令地支,而生尅不同,格局分焉。
Source: 《子平真诠》论用神:月令与格局· The source describes month-based pattern use; modern balancing uses need separate explanation.

References

  1. 《子平真诠》论用神:月令与格局 · 东里书斋:古籍原文转录