After circumcision, reproductive diseases can be prevented, quality of sex life can be enhanced, and penile development can be avoided. Similarly, sequelae such as short foreskin and incision scarring may occur after the surgery. 1. Advantages of circumcision: (1) Prevention of reproductive diseases: after removing the foreskin, it can better maintain reproductive hygiene and avoid the appearance of foreskin scale, which can effectively prevent reproductive diseases such as glansitis. (2) Enhance the quality of sex life: after removing the foreskin, the glans can be in direct contact with the outside world, which can help to gradually reduce the sensitivity of the glans, which can prolong the time of sex life to a certain extent and enhance the quality of sex life. (3) Avoid affecting the development of penis: for adolescent males, timely removal of the foreskin can also avoid affecting the development of penis due to excessive foreskin. 2. Disadvantages of circumcision: (1) Short foreskin: During the operation, removing the foreskin too long can lead to short foreskin, which may cause pulling pain during erection. (2) Incision scar: poor healing of the incision may also result in scarring, which affects the appearance and even sexual function. For patients, circumcision should be performed in specialized hospitals, and any after-effects should also be dealt with by timely medical treatment.