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Ya Zhi Cao

Ya Zhi Cao
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Ya Zhi Cao2
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Ya Zhi Cao (Common Dayflower Herb)

  1. 鴨跖草
  2. Common Dayflower Herb
  3. 鸭跖草
  4. Herba Commelinae

The Effect of Ya Zhi Cao


Sweet, cold, bland; lung, stomach and bladder meridians entered.


Clear heat and promote diuresis, cool blood and remove toxicity.


Edema, difficult urination, cold, sore throat, leucorrhea, sores and boils, hematuria, metrorrhagia, hepatitis with jaundice, erysipelas, barbiers, parotitis, epistaxis, dysentery.

Dosage and Administrations

Decoct 15~30 g (60~90 g of fresh product), or pounded into juice. Proper dosage is for external application, pounded for applying.


It is contraindicated for deficiency-cold in spleen and stomach.