Ban Liu Wan
Star半硫丸 (Pinellia and Sulfur Pill)
Source: Tai Ping Hui Min He Ji Ju Fang (1107)
Last updated October 1, 2026
Description
Ban Liu Wan (Pinellia and Sulfur Pill), from Beneficial Formulas from the Taiping Imperial Pharmacy (Tai Ping Hui Min He Ji Ju Fang).
Actions: Warm the kidney and dispel cold, unblock yang and direct the turbid downward
Indications: Indicated for the treatment of the old patients with constipation due to deficiency-cold, or chronic diarrhea with a pattern of yang deficiency and cold-damp caused by kidney yang insufficiency and turbid yin congealing, accompanied by constipation or diarrhea, no warm of the hands and feet, pale tongue with white coating, deep, and slow pulse
Category: Formulas that Treat the Interior Excess Syndrome with Warm Purgation.
Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, p. 454.
Composition
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.
Warming Kidney yang combined with directing turbid qi downward, the pair moves the bowels in constipation from yang deficiency with interior cold.
Cold-type constipation in the elderly. Internal use is only of processed (purified) sulfur in pill form, short-term; contraindicated in pregnancy and yin deficiency with heat.
Preparation
Decoct together with Succus Rhizomatis Zingiberis ( sheng jiang zhi ), add dry-cooked cake powder, pound and mix and make into pills as size of phoenix tree seed. Take orally with 15–20 pills each time on empty stomach
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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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