Indications for surgery: 1, prepuce: manifested by the foreskin can not be turned up, the foreskin mouth pinpoint size, or foreskin when urinating bulge up, forming a transparent blister. 2. Frequent occurrence of glansitis of the foreskin. Surgery time: If it does not affect urination and there are no other symptoms, the surgery can be done before and after elementary school. Otherwise, timely surgery is required.