Dao Shui Wan
Star导水丸 (Water-Guiding Pill)
Source: Huang Di Su Wen Xuan Ming Lun Fang (1172)
Last updated October 1, 2026
Description
Dao Shui Wan (Water-Guiding Pill), from Formulas from the Discussion Illuminating the Yellow Emperor’s Basic Questions (Huang Di Su Wen Xuan Ming Lun Fang).
Actions: Drain heat and expel water
Indications: Indicated for the treatment of exuberant water-heat obstructing, with edema all over the body, constipation, difficulty in micturition, thirst, red tongue with yellow coating, and rapid pulse
Category: Formulas that Expel Water by Purgation.
Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, p. 460.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Da Huang
as printed: Radix et Rhizoma Rhei (da huang) 60 g
|
60g | 16.67% | — | |
|
Huang Qin
as printed: Radix Scutellariae (huang qin) 60 g
|
60g | 16.67% | — | |
|
Hua Shi
batch quantity as printed (stock for a pill/powder/plaster preparation), not a single dose; as printed: Talcum (hua shi) 120 g
|
120g | 33.33% | — | |
|
Qian Niu Zi
batch quantity as printed (stock for a pill/powder/plaster preparation), not a single dose; as printed: Semen Pharbitidis (qian jiu zi) 120 g
|
120g | 33.33% | — |
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 cold (-2.00)
From 100% of the weighed grams.
Grams by band: cold 100%.
Taste
- pungent 17%
- sweet 17%
- bitter 50%
- bland 17%
From 100% of the weighed grams.
Channels reached
- Large intestine 67%
- Stomach 67%
- Lung 50%
- Spleen 33%
- Kidney 33%
- Heart 17%
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
Make them into pills, 6 g each time, take orally at bedtime or 12 g each time for severe pattern
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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