目的 :探讨改进直肠切除术后乙状结肠腹壁造口的手术方法。方法 :对 43例腹膜外结肠造口术病人的术后观察、随访及总结。结果 :术后切口疝、伤口感染等并发症明显减少 (约 2 .3% ) ,控便能力增强。结论 :腹膜外结肠造口术具有容易操作、并发症少、控便能力增强的优点。 Objective :To explore the surgical method of improving the sigmoid abdominal wall stoma after rectal resection. Methods: Postoperative observation, follow-up and summary of 43 patients with extraperitoneal colostomy. Results: Postoperative complications such as incision hernia and wound infection were significantly reduced (about 2.3%), and the ability to control feces was enhanced. Conclusion: The extraperitoneal colostomy has the advantages of easy operation, less complications and enhanced ability to control feces.