There are various complications of intestinal obstruction surgery, as follows: 1, re-obstruction: the most common complication, although the cause of intestinal obstruction is lifted, but after surgery due to inflammation, adhesions, the specific physical condition of the patient, poor nutritional status, it is easy to cause re-obstruction; 2, intestinal adhesions: heavy intestinal adhesions can even quickly re-emerge symptoms of acute abdomen, requiring interventional treatment; 3, intestinal fistula: intestinal fistula refers to the intestinal tube has a fistula This is a very serious complication, the most common site is the anastomosis, followed by other insidious ischemic necrotic lesions of the intestinal canal, which should be of great concern to clinical doctors; 4, residual infection of the abdominal cavity: because of intestinal surgery, the abdominal cavity is often contaminated or left with residual inflammatory lesions, when the drainage is not complete and the patient’s resistance is reduced, it can again cause abdominal cavity infection; 5, because the patient will have another obstruction after surgery, so postoperative fever and abdominal pain are more common complications.