The symptoms of terminal ileal ulcer are mainly manifested as changes in stool characteristics and frequency, and the common symptoms are as follows: 1. change in stool characteristics: mainly manifested as dry stool, which is not easily discharged, or loose, unshaped stool with more water. 2. change in stool frequency: mainly manifested as constipation with more bowel movements, or less bowel movements. 3. other symptoms: terminal ileal ulcer may also appear as right The ileocecal ulcer may also have vague distension and vague pain in the lower abdomen. To confirm the diagnosis of terminal ileal ulcer, an e-colonoscopy is required. e-colonoscopy will reveal a ruptured mucosa at the end of the ileum, which is deeper than the mucosal muscle layer and may be accompanied by bleeding, and a pathological biopsy is needed to clarify its nature. Some of the terminal ileal ulcers are caused by Mycobacterium tuberculosis infection, and the typical symptoms of caseous necrosis are found on pathology. The vast majority of terminal ileal ulcers can be managed through diet and medication. The diet should be less spicy, fried and stimulating food, no alcohol, and medication should be mainly Mesalachin enteric tablets and Clostridium Typhimurium live tablets.