本文介绍低位直肠癌经腹会阴根治术,会阴部人工肛门成型术的手术方法及其优点。本手术在切除肿瘤后,将残端结肠人工使其套叠一部分,造成肠腔狭窄,再将其断缘的粘膜剥除2cm,所余浆肌层向外翻卷1周至1周半即成人工肛门。通过会阴创口将其固定在会阴部。3个月后“人肛”有类似正常肛门的作用,控制力满意,粪便多可1次排尽(65％)。同时讨论了手术并发症及其预防措施。作者通过20例的总结认为本术式有临床应用价值。 This article describes the surgical treatment of transrectal perineal resection of lower rectal cancer, perineal prosthetic anal reconstruction and its advantages. After the tumor was resected, the stump colon was artificially invaginated to make it invaginate. The intestine was narrowed, and the mucosa of the fractured edge was stripped by 2 cm. The rest of the pulp muscle was rolled outwards for 1 week to 1 week and a half. anus. Fix it to the perineum with perineal wounds. After 3 months, “human anal” has a similar effect to the normal anus, and the control force is satisfactory. The feces can be drained once more (65%). At the same time, surgical complications and preventive measures were discussed. The author concludes that 20 cases of this surgical method have clinical application value.