The HPV virus is the cause of condyloma acuminatum. The human papillomavirus is not the cause of warts but the cause of warts, warts is the name of a sexually transmitted disease. The human papillomavirus is a small DNA virus, human skin and mucous membrane complex squamous epithelium is the only host of HPV, not yet in vitro culture success, the virus particle diameter of 45nm-55nm, general optical fiber microscope can not see, only with the help of electron microscope can see. The most common types of HPV are 6, 11, 17, 29 and 33, etc. The most common types are 6 and 11. The moist areas are the most common sites for condyloma acuminatum. In men, it is more common in the prepuce, coronal sulcus, foreskin, urethra, penis, perineum, and scrotum, while in women, it is more common in the labia majora and minora, vaginal opening, clitoris, cervix, perineum, and anus. The actual fact is that you can find a lot of people who are not able to get a lot of money for the purpose of the actual project. Warts with cauliflower-like enlargement and moist surface are caused by HPV, DNA synthesis into the host’s chromosome, resulting in host chromosome instability and transcriptional disruption of DNA replication and tumor.