番泻叶为豆科植物狭叶番泻(Cas-sia angustifolia Vahl)或尖叶番泻(Cas-sia acutifolia Delile)的干燥小叶。味甘、苦,性寒。归大肠经。功能泻热行滞,通便,利水。用于热结积滞,便秘腹痛,水肿胀满[1]。为临床常用泻药。由于其价格低廉,服用方便,泻下效果良好,深受广大患者的欢迎 Senna is a dried leaflet of the Cassia angustifolia Vahl or Cassia acutifolia Delile. Sweet, bitter, cold. Return to the large intestine. Functional diarrhea heat lag, purge, benefit water. For hot junction stagnation, constipation, abdominal pain, edema, fullness [1]. Commonly used laxatives for clinical use. Because of its low price, easy to take, and good effect of diarrhea, it is well received by the majority of patients.