The main drugs used to treat intestinal ulcers are aminosalicylic acid preparations, glucocorticoids, immunosuppressants, etc., and the drugs should be used in accordance with medical advice. Intestinal ulcer is one of the main types of inflammatory bowel disease, is a kind of non-specific inflammatory colon disease caused by infection, immunity, intestinal mucosal resistance decline and other causative factors, patients can appear lower abdominal pain, diarrhea, constipation or diarrhea alternating episodes and other symptoms. The most important treatment for patients with intestinal ulcers is to control the inflammatory response of the intestinal tract. Salicylic acid preparations, such as mesalazine and salicylazosulfapyridine, can inhibit the formation of inflammatory mediators, such as prostaglandins, in the intestinal mucosa, which can significantly reduce the inflammation of the intestinal mucosa. Patients with moderate to severe inflammation or poor treatment results can be treated with additional glucocorticoids and immunosuppressants. Patients with intestinal ulcers need to go to the hospital in a timely manner, to carry out colonoscopy and other systematic examinations, according to the degree of the patient’s lesions to choose the appropriate treatment program, do not take their own medication, so as not to cause adverse consequences.