目的　探讨输精管切断精索鞘膜分隔术的效果，总结男性绝育手术经验。方法　对２４０例输精管切断精索鞘膜分隔术和同期施行的２４２ 例输精管结扎术随访，进行比较和分析总结。结果　两组术后结节发生率有明显差异（ Ｐ＜ ００１） ，感染率有极显著差异（ Ｐ＜ ００５） ，腰痛发生率也有明显差异（ Ｐ＜ ００１） ，均达到绝育目的。结论　输精管切断精索鞘膜分隔术后无痛性结节，腰痛发生率极低，是男性绝育手术的好方法。 Objective To investigate the effect of vasectomy on sphincterotomy and summarize the experience of male sterilization. Methods 240 cases of vasectomy spermatic cord septum and 242 cases of vasectomy were followed up for comparison and analysis. Results The incidence of nodules was significantly different between the two groups (P <001), the infection rate was significantly different (P <005), and the incidence of low back pain was also significantly different (P <001) Sterilization purposes. Conclusions Vasectomy is a good way to sterilize the male undergoing sphincterotomy without painful nodules and low back pain.