Three-Su Cake,*Yi Tong*, Volume 91.,
Three-Su Cake
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Formulas Name : Three-Su Cake
Chinese Name : 三酥饼
Drug Formulation
Cinnabar (select bright, high-quality cinnabar from Wanshan, free of stone or iron filings; place it in a silk pouch; boil with Ephedra, Cimicifuga, Lithospermum, and lychee shells for one day and one night; grind into a fine powder; wash the powder with the same decoction; sun-dry; grind again into an extremely fine powder; mix with genuine toad venom to form cakes),Lithospermum (finely ground; also mixed with toad bile to form cakes), Ephedra (knots removed, soaked in hot water, sun-dried, and ground into an extremely fine powder; also mixed with toad bile to form cakes), Toad Bile (collected on the first day of the lunar month; mix with the three aforementioned cakes, adding a small amount of musk to each cake, then stir-fry).
Source
*Yi Tong*, Volume 91.
Instructions for Use
If this formula is used during an epidemic of smallpox or at the onset of fever in a child, for every child aged 3 years, take half a cake of each of the three types, dissolve them in hot wine, and administer the mixture while covering the child to induce sweating; if the child cannot tolerate alcohol, it is better to dissolve the Baidu San in a decoction and administer it;if the smallpox has fully erupted and the pustules are red or purple at the tips—indicating severe heat-toxin—it is advisable to decoct a decoction of Lithospermum and Safflower or the Toxin-Resolving Decoction, and dissolve two cakes of cinnabar and Lithospermum in a small amount of this decoction to alleviate the condition.
Note
After the smallpox has erupted, do not take Ephedra cakes.
Copyright: Excerpt from *Yi Tong*, Volume 91., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 31, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 31, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 31, 2026
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Three-Su Cake