Shepherd's Purse Herb Classic Formulas

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Stops bleeding — hemoptysis, hematuria, uterine bleeding (崩漏), epistaxis, and bloody dysentery due to Blood Heat or Qi failing to contain Blood
Clears Heat and promotes urination — urinary tract infections, hematuria, scanty dark urine from Damp-Heat in the Bladder
Clears Liver Heat and brightens the eyes — red, painful, or swollen eyes and visual disturbance from Liver Heat
Benefits Stomach and stops diarrhea — diarrhea and dysentery from Damp-Heat in the Intestines

Ji Cai Zhi (荠菜汁) — fresh herb juice or strong decoction (30–60 g fresh herb) for acute uterine bleeding, hematuria, and epistaxis; classical single-herb formula widely referenced in folk gynaecology texts of the Ming and Qing dynasties
Combined with Bai Mao Gen (白茅根) and Xiao Ji (小蓟) in formulas for hematuria and Bladder Heat strangury with bleeding

Shen Nong Ben Cao Jing: lists Ji Cai as a herb that 'benefits the five organs, brightens the eyes, and can be eaten as a vegetable' — placed in the middle grade for its dual food-medicine identity
Ben Cao Gang Mu (Li Shizhen): 'Ji Cai cools blood, stops bleeding, regulates the middle jiao, benefits the liver qi, calms the heart, and brightens the eyes — it is an herb that can be taken every day without harm; the root is especially powerful for stopping uterine bleeding'