Ulcerative colitis usually review colonoscopy about 6 months to a year, if there is a change in the condition of symptoms worsening should be timely review of colonoscopy. Colonoscopy can clearly view intestinal lesions, if you have ulcerative colitis, and the condition is mild, not accompanied by related clinical symptoms, it is recommended to review the colonoscopy about 6 months or a year, to avoid aggravation of the condition, the development of malignant tumors. If diarrhea aggravates, discharge of pus and blood stools or abdominal pain aggravates, it is recommended to review the colonoscopy at any time. Therefore, once you have ulcerative colitis, you must standardize the medication under the guidance of a professional doctor to slow down the development of the disease and promote recovery, such as mesalazine, dexamethasone and so on. During the follow-up treatment with medication, it is recommended to regularly go to the hospital to review the colonoscopy to avoid malignant changes, and consider surgical resection treatment if necessary. Normally, you should pay attention to dietary regulation, maintain a light diet, do not overeat, cultivate healthy eating habits, drugs should be used in accordance with medical advice.