The human papillomavirus is the cause of warts, often occurring in the anus and external genitalia and other parts of the body, mainly through sexual transmission, the specific means of transmission are: 1, sexual contact transmission: this is the most important means of transmission. Human papillomavirus is HPV through sexual contact way, by damaged skin or mucous membrane infection, mostly occurs in 20-40 years old sexually active people, most have multiple or multiple unclean sexual history outside of marriage. In addition to direct vaginal intercourse and anal intercourse, oral sex and other ways can also be infected; 2. Indirect contact transmission: can be transmitted through daily household items, such as underwear, bath tubs, bath towels, etc. If a man suffers from glans penis or a woman suffers from mycosis vaginalis or trichomoniasis, local impregnation and humidity provide favorable conditions for the inoculation, breeding and reproduction of papilloma virus. The use of contaminated hands to scratch the pubic area or the use of contaminated towels can also cause the transmission of condyloma acuminata. The infection is more likely to occur in areas of the body other than the genitals such as the perineum, mouth, armpits, scalp, and external ear canal, especially if there is a small trauma to the skin mucosa at the site of contact. The actual fact is that you can see that you are infected by scratching or even by using the toilet, but after all, it’s a small number of cases, and the daily contact is not so terribly dangerous; 3, mother to child transmission: the body hormone level changes during pregnancy, the body’s immune function has decreased so the condyloma acuminata can rapidly increase, even to the extent of blocking the birth canal, delivery warts easily tear bleeding, because of its tissue