The causes of intestinal ischemia are generally considered to be related to enteritis, intestinal obstruction and mesenteric lesions. 1. Enteritis: during the attack of the disease, the mucous membrane of the intestinal system with inflammation will lead to the irritation of the intestinal wall, which in turn will cause pain, leading to poor blood circulation of the intestinal wall, resulting in intestinal ischemia. 2. Intestinal obstruction: such as complete intestinal obstruction, it is easy to cause blockage of the intestinal system, which in turn leads to excessive dilatation of the intestinal lumen, resulting in the blood circulation of the intestinal wall being affected. 3. Mesenteric lesions: such as mesenteric cysts and primary mesenteric tumors, as well as secondary mesenteric tumors, these mesenteric lesions can also cause intestinal ischemia. It is recommended that patients actively go to regular hospitals to receive further examination, according to the results of the examination, under the guidance of specialists to deal with.