Circumcision means that the foreskin covers the urethral opening, but can be turned up to reveal the urethral opening and the head of the penis. Circumcision refers to the narrowing of the foreskin or the adhesion of the foreskin to the head of the penis so that the foreskin cannot be turned up to reveal the urethra and head of the penis. At present, there is not enough attention to circumcision in China, and the majority of doctors consider it a minor surgery and do not need to concentrate on follow-up, circumcision has become a basic surgery for young doctors to practice in almost all hospitals, with varying levels. In contrast, circumcision is a plastic surgery in developed countries, and its level of delicacy is comparable to that of maxillofacial plastic surgery, and because each patient has a different penis length, shape, and erection factor, the shape and length of the foreskin removal needs to be individualized to achieve the best results. The author has been closely following the treatment of foreskin problems since he was an intern, and even though he has become a professor, he still insists on personally operating on every circumcision, so he has very rich experience in dealing with both pediatric and adult foreskin, and has developed a unique surgical approach. Edema, incision healing can also be significantly improved, in adults after surgery also have a certain safe penis enlargement effect. The treatment of pediatric foreskin newborns are mostly born with prepuce, and accompanied by adhesions of the glans and foreskin, part of the children in the process of gradual growth, the adhesions of the foreskin and glans will gradually loosen automatically, foreskin ring mouth if loose enough, foreskin will also gradually fade up during the developmental period. However, nearly one-third of children do not turn up on their own, eventually forming a circumcision or more serious prepuce. The danger of the pediatric circumcision and circumcision: 1, inflammation, circumcision or circumcised patients, because the foreskin can not be turned up or not turned up daily cleaning, can make the foreskin accumulate a lot of tofu sludge or cheese-like foreskin scale, because the environment between the foreskin and the glans is not breathable, warm and humid, coupled with the frequent inflow of urine, very easy to cause foreskin penile headitis, urethral stomatitis, urinary tract infections and other diseases. According to foreign statistics, about 90% of children with long foreskin or prepuce will have had these different types of infections before puberty. However, many of these infections are often hidden and difficult for parents to detect because they do not have typical symptoms such as redness, swelling, heat and pain, and children often have itchy pubic areas that are constantly scratched with their hands. Because pediatric surgeons do not follow children into adulthood, it is often easy to ignore penile development problems, and some doctors recommend that patients be followed into adulthood, while adult urologists often encounter adult circumcised patients, the majority of whom have small penises. There are several options for the treatment of pediatric circumcision: 1. Neonatal circumcision: can be performed within seven days after birth or within a month. Post-operative home care is very easy. 2. Circumcision in infancy and childhood: performed 28 days after birth, the circumcision is performed manually by a doctor, and the need for anesthesia and the type of anesthesia (local or general anesthesia) is chosen according to the individual condition of the child, the operation takes a little longer and requires sutures, and the stitches fall off automatically in three weeks to a month or so, without removing the stitches. If there is no foreskin glans adhesion, the post-operative recovery is fast and there are only thread-like marks after the recovery, the younger the age of the operation, the less obvious it will be when he grows up. Follow-up visits to the surgeon will be made one week and two weeks after the operation, and the decision to return to the surgeon in the fourth week will be based on the dislodgement of the stitches. If there are adhesions on the glans of the foreskin, it is necessary to perform adhesion release at the same time, and there are traumas on the glans and foreskin after the release. If the child’s parents are inexperienced, or if they are unable to continue to turn the foreskin twice a day at home for disinfection, they need to go to the hospital twice a day, usually eight times a day for four days (if the adhesions or stenosis are particularly severe, the number of times will be increased according to the situation). Parents then still need to assist the child to turn up and clean the glans and inner foreskin every day, and teach the child to clean himself every day once he understands. Most children who develop good habits will have their foreskin turned up automatically during their development, avoiding circumcision and not affecting penile development. This method of post-operative care requires a high degree of care, and if parents choose to handle it on their own daily, if the foreskin is not turned back in time after upturning and cleaning and disinfection, it will cause severe penile edema and an emergency situation where the foreskin ring mouth is embedded, requiring immediate hospitalization. Timing of pediatric circumcision and prepuce treatment: the best timing: in short, the earlier the better, the less painful the child is, the faster the recovery, the lower the chance of infection and developmental abnormalities, and the fuzzier the memory of the surgery. The first timing: within 28 days after birth, for the fastest recovery, almost painless, once and for all. Second timing: within 1 year of age, the child has no autonomic resistance and is easier to control for surgical anesthesia. children between 2 and 8 years of age have autonomic awareness and often resist, making it difficult to cooperate with anesthesia or surgical operations. The latest time: before puberty if still circumcised, must be dealt with, although some patients may get better on their own, can be up to about 30% of patients will not get better on their own, once the penis development is limited, can not be changed, affecting lifelong sexual well-being.