HPV 9-valent vaccine is mainly used in clinical practice to prevent cervical cancer, vaginal epithelial cancer and perineal cancer, including the prevention of the following high-risk HPV infections, such as HPV6, HPV11, HPV16, HPV18, HPV31, HPV33, HPV45, HPV52 sex, HPV58, a total of 9 high-risk HPV types . Clinically, among them, HPV type 16 and HPV type 18 are the high incidence factors causing cervical cancer in Asian women, so vaccination with the nine-valent vaccine can prevent more than 90% of the occurrence of cervical cancer, and it is recommended that all women aged 9-26 years old can receive the nine-valent vaccine.