Circumcision is an elective surgery and there is no requirement that it must be done at a certain fixed age, but it is generally not recommended to be done at an age lower than 6 years old. Circumcision is a surgery to remove an appropriate amount of foreskin to fully expose the head of the penis, and is mainly applicable to the causes of phimosis and phimosis, etc. Circumcision is a simple surgical procedure that usually does not require hospitalization, and the recovery time is relatively fast. Too young to perform circumcision, poor tolerance to local anesthesia, there are also cases of non-cooperation, which may lead to some other complications, generally not recommended for children within 6 years of age to undergo surgery. Circumcision should be performed in a specialized hospital, under the guidance of the doctor to choose the right time.