Circumcision refers to circumcision, which is a surgical procedure that removes the excess foreskin to improve the condition of the penis, and is commonly used in the treatment of phimosis, phimosis, and recurrent inflammation of the foreskin. 1. Phimosis: the whole glans cannot be exposed, which will affect the development of the penis and have a serious impact on the coital status, and needs to be treated by surgery. 2. Hypospadias: the condition of hypospadias itself, and there will be uncomfortable symptoms in the process of coitus, part of the population have premature ejaculation, need to be treated through surgery. 3. Repeated inflammation: because of the abnormal structural condition of the foreskin, it may cause repeated inflammation, which needs to be treated through surgery to improve the condition of the surrounding tissues. After the circumcision, early around the wound should pay attention to avoid excessive contact with water, avoid repeated friction stimulation, once the surrounding obvious redness, swelling, infection, need to consult a doctor in a timely manner, under the guidance of the clinician to carry out standardized treatment, to avoid causing delays in the condition.