Usually, intestinal ulcers may be caused by underlying diseases, infections, and stress, and can present with symptoms such as abdominal pain and bleeding. Patients are recommended to be treated by medication and surgery. 1. Underlying diseases: Duodenal ulcer, Crohn’s disease and other diseases of the intestinal mucosal barrier weakening caused by intestinal ulcers, may appear vomiting, abdominal pain, abdominal distension, diarrhea and other symptoms. Medications that neutralize gastric acid and protect the gastric mucosa, such as magnesium aluminum carbonate and bismuth pectinate, can be chosen in accordance with medical advice. If the patient has a lot of bleeding, and drug treatment is ineffective, the patient can choose to have a major gastrectomy, vagotomy and other surgical treatments. 2. Infection: such as intestinal tuberculosis and other diseases, pathogenic bacteria can directly invade the intestinal tissue, thus causing intestinal damage to appear ulcer. Abdominal pain, bleeding and other symptoms may occur. Anti-tuberculosis drugs can be used under the guidance of the doctor for treatment, commonly used isoniazid, rifampicin, pyrazinamide, ethambutol and so on. 3. Stress: sympathetic excitation can cause local intestinal tissue vasoconstriction, thus causing intestinal ulcers. Symptoms such as panic and bleeding can occur. Drugs that regulate nerve function can be used for the treatment of autonomic dysfunction, and commonly used drugs include glutamine, vitamin B1 and so on. It is recommended that patients with intestinal ulcers go to the hospital in time and follow the doctor’s instructions for treatment to avoid delaying their condition.