A total of three doses of the nine-valent cervical cancer vaccine are required for vaccination, which are administered in the months of 0, 2 and 6. After the first dose, the second dose is administered at two-month intervals, and the third dose is administered at four-month intervals on top of the second dose. The nine-valent cervical cancer vaccine requires a total of three injections, all of which are imported, mainly for women aged 16 to 26 years old, and it mainly targets nine HPV subtypes, namely, 6, 11, 16, 18, 31, 33, 45, 52, and 58, and the second injection is administered two months after the first injection, and the third injection is administered four months after the second injection. It is best to complete all three vaccinations within one year. After vaccination, you need to stay for half an hour and will feel soreness at the vaccination site, and you should be careful to avoid pregnancy for six months after vaccination.