番泻叶系豆科矮小灌木,为狭叶番泻树的干燥叶片。有效成分主要为番泻甙A和B,经胃、小肠吸收后,在肝中分解,分解产物经血行而兴奋骨盆神经节以收缩大肠,刺激大肠增强肠的张力和蠕动,并减少水份吸收而致泻。用番泻叶的泄下作用,治疗各种便秘虽有悠久历史,但代替外科手术前灌肠.进行肠道准备,是近年来才开始的。我科3年来应用番泻叶茶剂取代前列腺,膀胱肿瘤、尿道下裂等手术前的灌肠,收到良好效果,有效率高,值得推广应用。 Senna Department of leguminous shrubs, leaves for the Senna thin dry leaves. Active ingredients are mainly sennoside A and B, the stomach, small intestine absorption, decomposition in the liver, the decomposition of blood products through the line and excited to pelvic ganglion to shrink the large intestine, stimulate the intestine to enhance intestinal tension and motility, and reduce water absorption And cause diarrhea. With senna discharge, although the treatment of various constipation has a long history, but instead of preoperative surgical enema for bowel preparation, in recent years began. In the past three years, our department has used senna tea to replace the enema before operation such as prostate, bladder tumor and hypospadias, which has received good results and high efficiency, so it is worth popularizing and applying.