Si Miao San
Classical TCM Formula Profile
Part of the HJMEDICAL TCM Discovery Center
四妙散 · Sì Miào Sàn
A classical formula for damp-heat bi of the lower limbs — red swollen joints, beriberi-like heaviness.
Quick Facts
- Formula Category
- Dampness-Draining Formulas
- Primary Pattern
- Damp-Heat
- Primary Function
- Clear heat, dry damp, ease bi pain in the lower body
- Primary Therapeutic Principle
- Clear damp-heat from the lower jiao and ease bi pain
- Classical Source
- Classical TCM formulary
- Available as Granules
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Formula Overview
A classical formula for damp-heat bi of the lower limbs — red swollen joints, beriberi-like heaviness.
Therapeutic Principle
Traditionally selected when the presentation matches the core pattern of this formula.
Composition
(Sovereign / Minister / Assistant / Envoy)
Related Conditions
Related Health Topics
How does this formula compare?
| Compare | Si Miao San | Dang Gui Nian Tong Tang | Long Dan Xie Gan Tang | Wu Ling San |
|---|---|---|---|---|
| Primary Function | Clear heat, dry damp, ease bi pain in the lower body | Clear heat, drain damp, dispel wind, stop pain | Clear Liver Fire, drain Damp-Heat | Promote urination, drain Dampness, warm Yang |
| Formula Category | Dampness-Draining Formulas | Dampness-Draining Formulas | Heat-Clearing Formulas | Dampness-Draining Formulas |
| Typical TCM Pattern | Damp-Heat | Damp-Heat | Liver Fire | Dampness |
| Main Conditions | Joint Discomfort ·Low Back Pain ·Numbness in Limbs | Joint Discomfort ·Low Back Pain | Bitter Taste in Mouth ·Damp-Heat Constitution | Edema ·Frequent Urination ·Damp Constitution |
| Main Herbs | Phellodendron Bark ·Coix Seed / Job's Tears ·Atractylodes Rhizome ·Achyranthes Root | Notopterygium Root ·Ginseng Root ·Sophora Root ·Atractylodes Rhizome ·Saposhnikovia Root | Gentian Root ·Scutellaria / Baikal Skullcap ·Gardenia Fruit ·Alisma Rhizome ·Akebia Stem | Alisma Rhizome ·Poria / Hoelen ·Polyporus ·White Atractylodes Rhizome ·Cinnamon Twig |
| Classical Source | Classical TCM formulary | Li Dongyuan school / classical | Yi Fang Ji Jie (Analytic Collection of Medical Formulas, Wang Ang, Qing dynasty) | Shang Han Lun (Zhang Zhongjing, Eastern Han) |
Clinical Perspective
Si Miao San is distinguished from Dang Gui Nian Tong Tang, Long Dan Xie Gan Tang, Wu Ling San by its specific pattern focus and herb strategy.
For educational reference only, based on traditional pattern differentiation — not a substitute for professional advice.
Browse all classical formulas →
Medical Disclaimer
For general TCM education only — not medical advice. Consult a qualified TCM practitioner or licensed healthcare provider before use, especially if pregnant, nursing, on medication, or managing a chronic condition.