The cervical cancer vaccine is of course the more types of high-risk HPV it prevents, the better, and currently there are bivalent vaccine, quadrivalent vaccine, and the nine-valent vaccine. Nine-valent vaccine in addition to prevent two low-risk HPV infection, the remaining seven are high-risk HPV infection, there is no contraindication can be vaccinated with the nine-valent vaccine, but the nine-valent vaccine age limit is relatively small, such as between the ages of 9-26 years old can be vaccinated with the nine-valent vaccine, if more than this age it is not recommended to be vaccinated again, mainly because more than the age of this vaccine nine-valent vaccine to prevent cervical cancer will be reduced, you can choose quadrivalent vaccine or bivalent vaccination. The main reason is that after this age, the ability of the nine-valent vaccine to prevent cervical cancer will decrease. You can choose the quadrivalent vaccine or bivalent vaccine, which can achieve a better preventive effect, and you can do cervical cancer screening if you have had sex before the vaccination.