Hai Tong Pi Tang
Star海桐皮汤 (Erythrina Bark Decoction)
Source: Yi Zong Jin Jian (1742)
Last updated October 1, 2026
Description
Hai Tong Pi Tang (Erythrina Bark Decoction), from Golden Mirror of the Medical Tradition (Yi Zong Jin Jian).
Actions: Invigorate blood and dissipate stasis, unblock the collaterals, and relieve pain. Indicated for the treatment of all injuries from fall, with sinew injury, bone fracture, incessant stabbing pain, aggravated when encountering cold, alleviated if encountered warm, weariness, and heavy body
Indications: It also can be taken half orally, and another half can be used for fumigating and washing the affected area
Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 861–873.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Hai Tong Pi
as printed: Cortex Erythrinae (hai tong pi) 6 g
|
6g | 12% | — | |
|
Tou Gu Cao
as printed: Herba Speranskiae Tuberculatae (tou gu cao) 6 g
|
6g | 12% | — | |
|
Ru Xiang
as printed: Olibanum (ru xiang) 6 g
|
6g | 12% | — | |
|
Mo Yao
as printed: Myrrha (mo yao) 6 g
|
6g | 12% | — | |
|
Dang Gui
as printed: Radix Angelicae Sinensis (dang gui) 5 g
|
5g | 10% | — | |
|
Hua Jiao
as printed: Pericarpium Zanthoxyli (hua jiao) 9 g
|
9g | 18% | — | |
|
Chuan Xiong
as printed: Rhizoma Chuanxiong (chuan xiong) 2 g
|
2g | 4% | — | |
|
Hong Hua
as printed: Flos Carthami (hong hua) 2 g
|
2g | 4% | — | |
|
Wei Ling Xian
as printed: Radix et Rhizoma Clematidis (wei ling xian) 2 g
|
2g | 4% | — | |
|
Gan Cao
as printed: Radix et Rhizoma Glycyrrhizae (gan cao) 2 g
|
2g | 4% | — | |
|
Fang Feng
as printed: Radix Saposhnikoviae (fang feng) 2 g
|
2g | 4% | — | |
|
Bai Zhi
as printed: Radix Angelicae Dahuricae (bai zhi) 2 g
|
2g | 4% | — |
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 (+0.72)
From 100% of the weighed grams.
Grams by band: neutral 28%, warm 72%.
Taste
- pungent 63%
- sweet 11%
- bitter 24%
- salty 2%
From 100% of the weighed grams.
Channels reached
- Liver 70%
- Spleen 60%
- Heart 42%
- Kidney 42%
- Stomach 26%
- Lung 12%
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 the ingredients into fine powder, put it into a cloth bag, then decoct with water, fumigate, and wash the affected area
Relationships
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Formula Network
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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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