Pediatric phimosis refers to the excessive length of the foreskin so that the head of the penis can not be exposed, is a very common urinary system diseases, the appropriate time for surgery is after the age of 5 years. 1. Physiological pediatric phimosis is usually before the age of 5, the child is not yet fully developed, you can observe whether the foreskin is retracted, if the foreskin is not retracted, the head of the penis can not be revealed by turning out, you can consider surgical treatment. 2. At present, there are three commonly used pediatric circumcision surgery, respectively, traditional surgical excision, commercial ring anastomosis, circumcision anastomosis anastomosis, generally 5-7 days after surgery can be removed, 2-4 weeks after the return to normal, we should pay attention to the protection of the postoperative incision, to avoid infection, disinfection with povidone-iodine immersion every day, and clean the urethra in a timely manner after urination.