Nine-valent can be given at the age of 30. Nine-valent refers to the nine-valent human papillomavirus (HPV) vaccine, which is mainly used to prevent HPV infections, and can prevent nine subtypes of the virus subtypes HPV6, 11, 16, 18, 31, 33, 45, 52 and 58, the vaccine’s age of vaccination for the age of 9-45 years old, and therefore can be vaccinated at the age of 30. It is important to note that women who are pregnant or preparing for pregnancy should delay vaccination until the end of pregnancy, and breastfeeding women should exercise caution when receiving the vaccine. HPV vaccination is prohibited for those who have hypersensitivity to the active ingredient of the vaccine or to any of the excipient components, and those who have symptoms of hypersensitivity after injection of the product should not be revaccinated with the product. Regular cervical cancer screening is still required after HPV vaccination.