目的　提高急诊左半结肠切除一期缝合成功率。方法　回顾性统计分析我院 5年内对大肠癌梗阻病例的诊断、术式选择及术中灌肠方法。结果　 84例大肠癌患者 ,有不完全性肠梗阻 41例 ;急诊左半结肠切除 ,术中灌洗 ,一期缝合 2 9例 ,无一例发生吻合口漏。结论　急诊左半结肠切除 ,若患者全身及局部条件较好 ,术中认真做好活力碘灌洗 ,术式选择恰当 ,是可以行一期吻合的 Objective To improve the success rate of primary suture in the left half colon resection. Methods The retrospective statistical analysis of our hospital for 5 years on the diagnosis of colorectal cancer obstruction cases, surgical options and intraoperative enema. Results In 84 cases of colorectal cancer, there were 41 cases of incomplete intestinal obstruction. In the emergency department, the left half of the colon was resected, the lavage was performed during operation, and 29 cases were sutured in one period. None of the cases had anastomotic leakage. Conclusions Emergency left colon resection, if the patient’s systemic and local conditions are good, intraoperative and vigorous iodine lavage vigorously, appropriate surgical procedures, is an agreement