HPV is human papillomavirus, 12-valent HPV vaccine when the market has not been accurate time, there is no 12-valent HPV vaccination, the current main bivalent, quadrivalent, nine-valent vaccine. Its role is all used to prevent HPV virus, HPV virus is the human papilloma virus, and cervical cancer, cervical tumors and other diseases of the onset of a certain relationship, the HPV vaccination can prevent HPV infection. There are three types of HPV vaccines on the market: bivalent, quadrivalent and nine-valent, and there is no accurate news about the twelve-valent vaccine. The valence of HPV, refers to the type of subtype of HPV virus that can be prevented, generally bivalent can prevent type 16 and type 18 HPV virus, the inhibition rate of cervical cancer is about 70%, the difference between tetravalent and bivalent is the increase in the protection against type 6 and type 11 HPV virus, the nine-valent is the most extensive vaccine on the market at present for the prevention of HPV, and can prevent 90% of cervical cancer. When getting the HPV vaccine, avoid fever, cold and pregnancy, and consult your doctor according to your condition before getting the vaccine.