直肠癌手术最理想的术式是既能达到根治目的又能保留肛门的功能。直肠癌超低位吻合术即是其中的一种 ,其局部复发率报道不一 ,一般在 8%～30 %。近几十年来 ,由于吻合器的使用及其技术的改进和推广 ,以及患者要求生存质量的提高 ,直肠癌超低位吻合保肛病例显著增加 ,相对扩大了 The best surgery for rectal cancer surgery is to achieve both the purpose of radical cure and preserve the function of the anus. Ultra-low anastomosis of rectal cancer is one of them, and the local recurrence rate is reported to be different, generally 8% to 30%. In recent decades, due to the use of staplers and the improvement and promotion of their techniques, and the improvement of the quality of life required by patients, the incidence of ultralow rectal anus-preserving rectal cancer has increased significantly and has increased relatively.