Objective To evaluate the effect of Curve-t ype Stapler applied in lower rectal cancer reserving anus. Method The experiences were summarized and analyzed in 31 patients underwent re serving anus from January 2000 to April 2001.In 31 patients were performed end- to-side anastomosis for lower rectum cancer through abdomen.Result There were no complications including hemorrhage, stenosis and postope rative fistula in 31 cases lower rectum cancer end-to-side anastomosis.Conclutions The way of anastomosis is an effective, reliable, co nvenient method which lasts a short time.