Yi Yi Fu Zi Bai Jiang San
Star薏苡附子败酱散 (Coicis, Prepared Aconite, and Patrinia Powder)
Source: Jin Gui Yao Lue — Zhang Zhong-Jing (Eastern Han, c. 220)
Last updated October 1, 2026
Description
Yi Yi Fu Zi Bai Jiang San (Coicis, Prepared Aconite, and Patrinia Powder), from the Jin Gui Yao Lue (Essentials from the Golden Cabinet) by Zhang Zhong-Jing.
Actions: Drains pus and reduces swelling.
Presentation: Intestinal abscess with pus: no fever, squamous dry skin, abdominal swelling that is soft on pressure, rapid pulse (interlocking interior cold, dampness and blood stasis).
Source: Chen JK, Chen TT. Chinese Herbal Formulas and Applications: Pharmacological Effects & Clinical Research. Art of Medicine Press, 2009, p. 1382.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Yi Yi Ren
as printed: Yi Yi Ren (Semen Coicis) [30g]
|
30g | 58.82% | Jun (Chief) | large dose; resolves dampness, drains pus, reduces swelling |
|
Bai Jiang Cao
as printed: Bai Jiang Cao (Herba cum Radice Patriniae) [15g]
|
15g | 29.41% | Chen (Deputy) | clears heat, reduces abscess, drains pus, disperses blood stasis |
|
Zhi Fu Zi
as printed: Fu Zi (Radix Aconiti Lateralis Praeparata) [6g]
|
6g | 11.76% | Zuo (Assistant) | small dose; disperses cold-damp stagnation, activates yang and qi, balances Bai Jiang Cao's cold |
Dui Yao — Core Herb Pairs
The classical two-herb combinations at the heart of this formula, as recorded on the herbs' own pages — each pair has an action neither herb has alone.
Together they clear heat, drain damp, expel pus and disperse abscess, especially in the intestines.
Classic indication: intestinal abscess after pus has formed.
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 cool (-0.65)
From 100% of the weighed grams.
Grams by band: cool 88%, hot 12%.
Taste
- pungent 21%
- sweet 35%
- bitter 15%
- bland 29%
From 100% of the weighed grams.
Channels reached
- Large intestine 88%
- Stomach 88%
- Spleen 71%
- Kidney 71%
- Lung 59%
- Liver 29%
Share of the grams entering each channel, from 100% of the weighed grams.
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
Grind to powder; cook 1 large spoonful [6-9g] with 2 cups [400 mL] water until reduced by half; take immediately.
Relationships
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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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