Bat Dung Classic Formulas — Natural Herb Library

Primary Actions

Clears Liver Heat and brightens the eyes - classically used for night blindness, blurred vision, red painful eyes, corneal cloudiness, and visual obstruction when heat rises to the eyes and disturbs the Liver blood level.
Invigorates Blood and dispels stasis in the eye region - especially suited to visual disorders complicated by blood stasis such as subconjunctival hemorrhage, persistent visual haze, or fixed eye pain with heat signs.
Disperses accumulation and reduces childhood nutritional impairment - used in pediatric gan ji patterns with abdominal distention, poor appetite, emaciation, and digestive stagnation rather than in simple adult indigestion.
Moves constrained Blood beyond the eyes - later traditions extend its use to abdominal masses and traumatic pain when blood stasis and heat combine.

Bu Dai Wan (布袋丸) - the best-known formula containing Ye Ming Sha, used for childhood nutritional impairment with parasite-like accumulation, poor appetite, abdominal distention, and lingering heat.
Ye Ming Sha Zhu Gan Fang (夜明砂煮肝方) - traditional food-therapy preparation in which powdered Ye Ming Sha is cooked inside animal liver for night blindness, corneal cloudiness, and other Liver-heat eye disorders.

Shen Nong Ben Cao Jing first recorded the substance under the older name Tian Shu Shi (天鼠屎), establishing its long classical use despite its unusual animal-fecal origin.
Ben Cao Yan Yi expanded its use beyond ophthalmology to childhood nutritional impairment, showing that the herb was understood to disperse accumulation as well as brighten the eyes.
De Pei Ben Cao and related later texts caution against pregnancy use, while older compatibility traditions state that Ye Ming Sha is averse to Bai Lian and Bai Wei.