Tong Sai Pian
Star通塞片 (Unblock Obstruction Pill)
Source: Journal of the Nanjing College of Chinese Medicine (1984)
Last updated October 1, 2026
Description
Tong Sai Pian (Unblock Obstruction Pill), from Journal of the Nanjing College of Chinese Medicine (1984).
Associated formula of Si Miao Yong An Tang.
Actions: Clears heat; Resolves toxicity; Tonifies the qi; Nourishes the yin; Invigorates the blood; Transforms stasis
Usage: Modern formula for thromboangiitis obliterans, arterial obstruction and diabetic microvascular disease; unlike the main formula it also tonifies qi and yin.
Category: Formulas that Treat External Abscesses and Sores.
Source: Scheid V, Bensky D, Ellis A, Barolet R. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. Eastland Press, 2009, p. 867.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Huang Qi
as printed: Astragali Radix (huang qi) 15g
|
15g | 13.51% | — | |
|
Dang Shen
as printed: Codonopsis Radix (dang shen) 12g
|
12g | 10.81% | — | |
|
Dang Gui
as printed: Angelicae sinensis Radix (dang gui) 12g
|
12g | 10.81% | — | |
|
Shi Hu
as printed: Dendrobii Herba (shi hu) 12g
|
12g | 10.81% | — | |
|
Xuan Shen
as printed: Scrophulariae Radix (xuan shen) 18g
|
18g | 16.22% | — | |
|
Jin Yin Hua
as printed: Lonicerae Flos (jin yin hua) 18g
|
18g | 16.22% | — | |
|
Niu Xi
as printed: Achyranthis Radix (niu xi) 12g
|
12g | 10.81% | — | |
|
Gan Cao
as printed: Glycyrrhizae Radix (gan cao) 12g
|
12g | 10.81% | — |
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 (-0.35)
From 100% of the weighed grams.
Grams by band: cold 16%, cool 27%, neutral 32%, warm 24%.
Taste
- pungent 5%
- sweet 77%
- sour 4%
- bitter 9%
- salty 5%
From 100% of the weighed grams.
Channels reached
- Lung 68%
- Stomach 54%
- Spleen 46%
- Heart 38%
- Kidney 38%
- Liver 22%
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
Powdered and made into tablets; 8-12g twice daily. Doses listed are those commonly used (source gave none).
Relationships
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Formula family
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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