If the colonoscopy was normal 4 months ago, and if there are no uncomfortable symptoms now, it is possible that the problem is not big; if abdominal pain, diarrhea and other symptoms occur, it is possible that there are some new diseases, such as enterocolitis, intestinal occupancy, etc., and further examination is needed to confirm the diagnosis. If the patient has no discomfort, no bloody stools and no change in stool habit and shape, and has just perfected colonoscopy 4 months ago, it is considered that the problem may not be too big at present, and there is no need to carry out colonoscopy again. If the patient has abdominal pain, diarrhea or blood in the stool and other symptoms, it is possible to add some intestinal diseases, such as Crohn’s disease, intestinal flora disorders, enteritis, intestinal tumors, etc., need to go to the gastroenterology department of the hospital, according to the patient’s clinical symptoms, can be taken to treat the medication, and if necessary, can be again enteroscopy, to clarify the type of intestinal disease, targeted treatment, in order to avoid delaying the condition. Usually pay attention to diet, do not eat too greasy food, can eat some light and easy to digest food, avoid aggravating the burden on the intestinal tract, is not conducive to the recovery of the disease. If there is abdominal discomfort, it is recommended to consult a doctor in time, and improve the colonoscopy again if necessary.