Circumcision has the potential to enhance the quality of sex life, can be beneficial to the development of the penis, reduce inflammatory infections, and have certain benefits to the health of sexual partners. 1, in favor of the development of the penis: if men have a prepuce, it is recommended to circumcise, which may affect the development of the penis and reduce the quality of sexual life. 2, reduce inflammatory infections: long time circumcision or circumcision will lead to the inability to thoroughly clean, will generate foreskin scale, long time cleaning is not complete, may also cause inflammatory infections, such as the foreskin glans, will have an impact on the sex life, after the operation can reduce the foreskin glans, improve the quality of sex life. 3. There are certain benefits to the health of sexual partners: circumcision is also beneficial to sexual partners, can reduce the incidence of vaginitis, but also can reduce human papilloma virus infection, reduce the incidence of cervical cancer, which also helps to improve the quality of sexual life. To summarize, circumcision has a certain role in improving the quality of sex life, and it is recommended that patients with circumcision or phimosis should consult a doctor as soon as possible.