Intestinal obstruction is a kind of common acute abdominal disease in surgery, which is simply divided into three categories according to the etiology: mechanical intestinal obstruction, dynamic intestinal obstruction, and ischemic intestinal obstruction. The symptoms of different types of intestinal obstruction are different, and the main symptoms are: 1. Mechanical intestinal obstruction: Mechanical intestinal obstruction is caused by mechanical factors that alter the function of the intestinal tube, and the intestinal contents cannot pass through the intestinal tube normally, and the common symptoms include abdominal distension, abdominal pain, vomiting, and the anus stops defecation. 2. Power intestinal obstruction: power intestinal obstruction usually has no organic lesions, patients may have long-term recurrent epigastric discomfort, nausea, vomiting, abdominal distension, anus stop defecation and other symptoms, some patients may also be accompanied by changes in bowel habits, poor appetite, pale and weak. 3. Ischemic intestinal obstruction: Ischemic intestinal obstruction is caused by the blockage of mesenteric blood vessels, resulting in ischemia of the intestinal wall, which causes intestinal peristalsis dysfunction, and its main symptoms include abdominal pain, abdominal distension, blood in stool, gastrointestinal function disorders, and the anus stops defecation. Due to different types, different parts, different patients with intestinal obstruction clinical manifestations are not exactly the same, but the common manifestations are anal stop defecation. It is recommended that the patient consult a doctor in time for examination, and then follow the doctor’s instructions to carry out targeted treatment after a clear diagnosis.