目的　探讨和证实低位大肠癌梗阻急诊一期手术成功的可能性。方法　对 12例直肠或乙状结肠癌梗阻患者行急诊一期手术治疗。术中采用经阑尾插管冲洗 ,经乙状结肠插螺纹粗管封闭引流方法进行全结肠灌洗。结果　达到了清洁肠道、减少污染、改善肠壁血运效果 ,保证了 12例手术全部一期愈合。结论　低位大肠癌梗阻急诊手术中只要有效地清洁全结肠 ,一期吻合成功是可以做到的 Objective To investigate and confirm the possibility of successful operation in the first stage of low colorectal cancer obstruction. Methods Twelve patients with rectal or sigmoid colon obstruction underwent emergency surgery. Intraoperative use of the appendix intubation rinsed by the sigmoid colon thread thick tube closed drainage method for the whole colon lavage. The results reached the clean intestine, reduce pollution, improve the intestinal wall blood effect, to ensure that all 12 cases of surgery to heal. Conclusion Low colon cancer emergency surgery as long as the effective cleaning of the whole colon, an anastomosis success is achievable