Recurrence of terminal ileal ulcer is related to many factors, such as improper diet, infection, immune imbalance, inflammatory bowel disease and so on. 1. Improper diet: not paying attention to the dietary habits after the terminal ileal ulcer is healed, or often consuming spicy and greasy food will cause the ulcer to recur. 2. Infection: the invasion of bacteria, tuberculosis, typhoid fever and other germs into the body will lead to the recurrence of ileocecal ulcers. 3. Immune imbalance: the body’s immune imbalance can lead to increased secretion of various inflammatory factors, resulting in intestinal mucosal inflammation, barrier function is impaired, resulting in the occurrence of ileocecal ulcers. 4. Inflammatory bowel disease: ulcerative colitis or Crohn’s disease will repeatedly appear ileocecal ulcers, the need for timely colonoscopy to clarify the diagnosis. If the patient has a history of ileocecal ulcers, abdominal pain, diarrhea and other symptoms, should go to the hospital in a timely manner, clear cause and then give targeted treatment.