目的　探讨左半结肠癌致肠梗阻一期切除的围手术期处理及手术方式的选择。方法　对 5 2例左半结肠癌致肠梗阻行一期切除资料进行回顾性分析。结果　行Hartmann术 3例 ,一期切除吻合 49例 ,其中 8例行结肠近端造口 ,4例吻合口外置。死亡 2例 ,发生吻合口漏 4例。结论　左半结肠癌致肠梗阻行一期切除时应根据病人的具体情况采用相应的手术方式 ,一期切除吻合具有一定风险性 ,同时完善的围手术期处理及术中良好的肠道灌洗是降低术后并发症及病死率的必要条件 Objective To investigate the perioperative management and surgical procedure of primary resection of intestinal obstruction in left colon cancer. Methods Retrospective analysis was performed on one case of intestinal resection in 54 cases of left colon cancer. The results of Hartmann operation in 3 cases, a resection and anastomosis in 49 cases, of which 8 cases of proximal colon colostomy, 4 cases of anastomotic external. 2 died, anastomotic leakage occurred in 4 cases. Conclusion The first half of colon cancer caused by intestinal obstruction should be based on the specific circumstances of patients with the corresponding surgical approach, a resection and anastomosis with a certain risk, and improve the perioperative management and intraoperative good bowel irrigation Is to reduce postoperative complications and mortality necessary conditions