Nine-valent shall refer to the nine-valent HPV vaccine, and all three doses should be completed within one year, and it is generally recommended that three doses be administered according to the 0, 2, and 6 month immunization schedule. Nine-valent HPV vaccine means nine-valent human papillomavirus vaccine, which can be used to prevent cervical cancer, cervical intraepithelial neoplasia, and adenocarcinoma in situ of the cervix, etc., caused by the HPV types contained in this product. This vaccine consists of three doses. It is generally recommended to receive three doses according to the immunization program of 0, 2, 6 months (i.e., the first injection is recorded as 0, and the second and third injections are separated from the first injection by 2 and 6 months, respectively), and all the three doses should be completed within one year. It should be noted that some people may have fever, fatigue, headache and dizziness, nausea and vomiting, myalgia, abdominal pain, and pain, swelling, itching, erythema and other adverse reactions at the vaccination site after receiving this vaccine; therefore, it should be contraindicated for those who have hypersensitivity reaction to the active ingredient of this vaccine or to any of its excipients; and those who have symptoms of hypersensitivity reaction after the injection should not be vaccinated again.