Objective: To evaluate the clinical value of "ligature anastomosis of the colon and anal canal" for middle-lower rectal cancer (M-LRC). Methods: Restrospective analysis of the clinical data of 113 patients with M-L RC treated by "ligature anastomoseof the colon and anal canal" with sustaining tube made by our self in recent seven years were made. Results: Fifteen patients(13.2%) had postoperative complications.There was no death in this series.One hundred and eight patients were followed-up for 3 months to 8 years postoperatively. One hundred and one patients (93.5%) renewed anal function in 8 months to 1 year.Eight patients (7.4%)had local recurrence within 1 year postoperatively;15 patients (13.8%) had local recurrence 5 years after operation. Conclusions :"Ligature anastomosis of the colon and anal canal" after resection of the cancer in the treatment of M-LRC has successful effect in preserving anus. This operation is simple and less complications . It can be used nationwide.