Yi Jia Jian Zheng Qi San
Star一加减正气散 (One Qi-Rectifying Variant Powder)
Source: Wen Bing Tiao Bian (1798)
Last updated October 1, 2026
Description
Yi Jia Jian Zheng Qi San (One Qi-Rectifying Variant Powder), from Systematic Differentiation of Warm Diseases (Wen Bing Tiao Bian).
Actions: Drain dampness and remove turbidity, rectify qi, and harmonize the center
Indications: Indicated for the treatment of dampness obstruction and qi stagnation, with distention in the stomach cavity and abdomen, and incomplete due to damp constraint of the sanjiao , disorder of ascending and descending
Category: Formulas That Remove Dampness and Harmonize the Stomach.
Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 746–747.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Chinese giant-hyssop
as printed: Herba Agastachis (huo xiang) 6 g
|
6g | 13.79% | — | |
|
Hou Po
as printed: Cortex Magnoliae Officinalis (hou po) 9 g
|
9g | 20.69% | — | |
|
Fu Ling Pi
as printed: Cutis Poriae (fu ling pi) 6 g
|
6g | 13.79% | — | |
|
Chen Pi
as printed: Pericarpium Citri Reticulatae (chen pi) 3 g
|
3g | 6.9% | — | |
|
Xing Ren
as printed: Semen Armeniacae Amarum (ku xing ren) 6 g
|
6g | 13.79% | — | |
|
Shen Qu
as printed: Massa Medicata Fermentata (shen qu) 4.5 g
|
4.5g | 10.34% | — | |
|
Yin Chen
as printed: Herba Artemisiae Scopariae (mian yin chen) 6 g
|
6g | 13.79% | — | |
|
Da Fu Pi
as printed: Pericarpium Arecae (da fu pi) 3 g
|
3g | 6.9% | — |
Energetics dose-weighted
The formula's overall nature, taste balance and channel reach, weighted by each herb's dose. Classical formulas often pair warm and cool herbs on purpose, so a net figure summarises the mix — it doesn't describe every herb in it.
Nature
Net slightly warm (+0.52)
From 86% of the weighed grams.
Grams by band: cool 16%, neutral 16%, warm 68%.
Taste
- pungent 38%
- sweet 14%
- bitter 40%
- bland 8%
From 86% of the weighed grams.
Channels reached
- Spleen 84%
- Lung 64%
- Stomach 60%
- Large intestine 48%
- Kidney 16%
- Gallbladder 16%
Share of the grams entering each channel, from 86% of the weighed grams.
1 herb not profiled (no recorded temperature, taste or channels): Chinese giant-hyssop.
Dose-weighted from each herb's recorded nature, taste and channels (missing values are left out, never counted as neutral). It describes the composition — it is not a recommendation.
Preparation
Decoct the ingredients with water for oral use
Relationships
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Formula family
Full herb lists
- This formula = Ju Xing Wan + Chinese giant-hyssop, Da Fu Pi, Fu Ling Pi, Hou Po, Shen Qu and Yin Chen
Each entry reads as the larger formula written out: “+” adds its other catalogue cores, then the herbs none of them hold. A catalogue formula counts as a core only when at least 80% of its herbs are present, no more than 1 is absent, and the absent herb is not its chief.
Formula Network
Formulas that share herbs with this one — the closer to the centre, the stronger the match. Click a node to explore.
Similar Formulas by composition
Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).
Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.
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