The full name of the vaccine is the Nine-Valent Cervical Cancer Vaccine, and the Nine-Valent Cervical Cancer Vaccine is for women aged 16 to 26 years. The vaccine prevents infections, diseases and lesions caused by HPV subtypes 6, 11, 16, 18, 31, 33, 45, 52 and 58. Usually, cervical cancer vaccination induces the body to produce corresponding antibodies, thus providing a preventive effect. Nine-valent cervical cancer vaccine is suitable for females aged 16 to 26 years old. It is generally recommended to receive one dose of vaccine at 0 month, 2 months and 6 months respectively, with a total of 3 doses. The vaccine can cause allergic reactions. It should be noted that women who are pregnant or preparing for pregnancy should not be vaccinated; women who are allergic to yeast-based substances should not be vaccinated. Vaccination is the primary prevention of cervical cancer, and cervical cancer screening is the secondary prevention, both are equally important. Therefore, cervical cancer screening should not be relaxed because of vaccination.