Colonic ischemic enteropathy is due to the lesion of the blood vessels supplying the colon, ischemia, resulting in necrosis of the intestinal segments, and its clinical manifestations include abdominal pain, abdominal distension, blood in the stools, and gastrointestinal dysfunction. 1. Abdominal pain, abdominal distension: the disease will be manifested as persistent or sudden abdominal pain, abdominal distension, mainly manifested as spasmodic pain in the left lower abdomen. When the symptoms appear, the patient can also be accompanied by a clear sense of defecation; 2. Blood in stool: blood in stool usually appears within 24 hours after abdominal distension, blood is mixed with stool, the amount of blood in stool is usually not much, and it can be fresh blood stool or dark red blood stool; 3. Gastrointestinal dysfunction: due to the ischemic stimulation of intestinal segments, it can be manifested as symptoms of gastrointestinal dysfunction such as dyspepsia, abdominal distension, diarrhea, nausea, vomiting, belching (hiccup) and so on. Colonic ischemic enteropathy is a more serious surgical acute abdomen, if the above symptoms occur, it is recommended to go to a professional hospital, after clarifying the cause of the disease under the guidance of the doctor for standardized treatment.