目的:合理使用番泻叶。番泻叶,临床应用十分广泛,可配伍应用和单味入药,常用于骨折卧床便秘的骨科患者、习惯性便秘及老年便秘,也用于人体内藏毒者排毒、外科手术前肠道准备。多单味泡服,小剂量(1.5～3g)可起缓泻作用,大剂量(5～10g)则可攻下。结论:在使用番泻叶时,必须掌握其药理作用、用法用量、不良反应,才能合理使用番泻叶,增加其安全性和有效性,发挥其最大药效,避免或减少不良反应。 Objective: To use Senna properly. Senna, a wide range of clinical applications, can be compatible with the application and the single drug, commonly used in orthopedic patients with bed rest constipation, habitual constipation and senile constipation, but also for the human body toxin detoxification, preoperative intestinal preparation. More single flavor bubble clothes, small doses (1.5 ~ 3g) laxation can play a role, high doses (5 ~ 10g) can be captured. Conclusion: When using senna, it is necessary to master the pharmacological effects, dosage and adverse reactions so that senna can be used rationally to increase its safety and efficacy, exert its maximum efficacy and avoid or reduce adverse reactions.