Bowel obstruction is usually small bowel obstruction is common, in the clinical cause of small bowel obstruction is mostly due to adhesions, many patients have a history of abdominal surgery, due to the trauma of abdominal surgery, it will lead to the small intestine and the small intestine or the small intestine and the mesentery, or the small intestine and the peritoneum between the adhesion band, and when the small bowel in the process of peristalsis, the adhesion band that is jammed into will lead to the jammed part of the small bowel to appear obstruction, the patient The patient will have nausea, vomiting, abdominal pain, anal stop defecation, exhaust and other clinical symptoms. Most of the intestinal obstruction is caused by tumor, and a small number of patients may have intestinal torsion, etc. The preliminary identification of large bowel obstruction or small bowel obstruction can be made by abdominal standing plain film or abdominal CT.