Huanyuan Pill，From *Shenghui*, Volume 95.，For deficiency-cold conditions.
Huanyuan Pill
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Formulas Name : Huanyuan Pill
Chinese Name : 还元丹
Drug Formulation
5 liang of arsenic trioxide, half a liang of sodium carbonate, 5 liang of white alum, and 2 liang of sulfur.
Source
From *Shenghui*, Volume 95.
Processing
Grind each of the ingredients into a fine powder. First, prepare a porcelain jar with a tight-fitting lid. Wait for the clay to dry, then dig a pit one chi deep in the ground. Fill the pit with ash, place the jar in the center, spread a layer of sulfur evenly on the bottom, and then add the sodium carbonate, arsenic trioxide, and white alum.separately sift some lime and fill the bottle tightly with it; cover the bottle’s opening with a lid. Then gather about 20 jin of charcoal, place 3–5 liang of well-burned charcoal on top, and gradually heat it until it glows red; remove the fire and let it cool on its own. Once cooled, take it out, wrap it in silk, and suspend it in a well overnight to remove the heat toxicity. Grind it finely, then mix it with water-soaked steamed buns to form pills the size of millet grains.
Benefits
For deficiency-cold conditions.
Instructions for Use
Take 2 pills per dose on an empty stomach, washed down with warm wine.
Copyright: Excerpt from From *Shenghui*, Volume 95., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 25, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 25, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 25, 2026
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Huanyuan Pill,For deficiency-cold conditions.