1, reduce HIV infection: research results show that the risk of HIV transmission from women to men can be significantly reduced; 2, reduce HPV and HSV-2 infection; 3, the prevention of sexually transmitted diseases: such as gonorrhea, syphilis, chlamydia, mycoplasma infection; 4, reduce the infant and elderly urinary tract infection; 5, reduce the incidence of circumcision, glansitis, penile cancer and prostate cancer; 6, improve the level of female reproductive health; 7, infancy circumcision is also conducive to the development of the glans and penis.