HPV vaccine is a drug used to prevent HPV infection, and from the medical point of view, HPV vaccine is necessary because HPV high-risk virus is the main cause of cervical intraepithelial neoplasia and cervical cancer, and HPV vaccination can prevent high-risk HPV infection, which can also reduce the occurrence of cervical epithelial neoplasia and cervical cancer to a certain extent, therefore Therefore, it is advisable to vaccinate women who are suitable for their age. At present, HPV vaccine is divided into 2-valent, 4-valent vaccine and 9-valent vaccine, these three vaccines are aimed at HPV virus high-risk types, bivalent for 16, 18, quadrivalent for 6, 11, 16, 18, 9-valent for 6, 11, 16, 18, 31, 33, 45, 52, 58 types. The 9-valent vaccine is only for women aged 15-25 who are not sexually active, while the 4-valent vaccine is suitable for women who have had babies and are sexually active, but they must be aged 25-45. Of course, it is not certain that after the HPV vaccination, you will not be infected with cervical or cervical epithelial neoplasia, but it will relatively reduce the chances of such cervical cancer. In daily life, you still need to strengthen your physical exercise, improve your physical quality and eliminate high-risk sexual behavior. The HPV vaccine is being carried out in China and is relatively expensive, requiring three injections and costing about 3,000-5,000 yuan.