Inflammatory exudative changes in the distal segment of the left descending colon may abdomen is the preliminary diagnosis of CT, clinical considerations related to chronic colitis, can be improved through the general treatment and drug therapy and so on. 1. General treatment: eat light, easy to digest, nutritious food, small meals. Do not eat cold, greasy, spicy food. Pay attention to food hygiene, avoid intestinal infections. Avoid smoking and alcohol, pay attention to the combination of work and rest, appropriate exercise to enhance physical fitness. Usually need to keep in a good mood, avoid mental stress. 2. Drug treatment: you can follow the doctor’s instructions oral levofloxacin, cefixime dispersible tablets for anti-infection treatment, mesalazine and other anti-inflammatory treatment. The colonoscopy can be further perfected to make it clear. The left side of the descending colon distal inflammatory exudative changes accompanied by obvious discomfort, should consult a doctor in a timely manner, in accordance with the medical advice of medication, regular review.