对左半结肠梗阻和穿孔的手术方法一直存在争议,传统的手术方法有许多不足,近代的外科医师多主张行一期肠切除和肠吻合术.结肠梗阻的最主要原因是结直肠肿瘤,约15～20%的结肠肿瘤病人存在肠梗阻,结肠牌曲的肿瘤肠梗阻发生率高达50%,其它 There are many controversies about the operation method of the left colonic obstruction and perforation, the traditional surgical methods have many deficiencies, the modern surgeons advocate a one-stage intestinal resection and intestinal anastomosis.The main reason of colonic obstruction is colorectal cancer, about 15 to 20% of colon cancer patients have intestinal obstruction, bowel song of colon tumor incidence of up to 50%, other