The nine-valent vaccine is a nine-valent human papillomavirus vaccine, which has the effect of preventing cervical cancer and other diseases, but it is not suitable for people with allergies, pregnant or breastfeeding women, and so on. The nine-valent vaccine is the vaccine that covers the largest number of HPV virus types at present, and it has the function of preventing the infection of HPV6, 11, 16, 18, 31, 33, 45, 52, 58 virus subtypes, and it can effectively prevent the occurrence of genital warts such as cervical cancer, penile cancer, and condyloma acuminatum. According to the instructions for the nine-valent HPV vaccine, it should not be administered to persons who have an allergy to the active ingredient of the vaccine or to any of the excipient components. Although there has been no study to assess the effect of the nine-valent HPV vaccine on women during pregnancy, the instruction manual still states that vaccination should be avoided during pregnancy, and if you are already pregnant or planning to become pregnant, it is recommended that vaccination be delayed or interrupted, and that vaccination be repeated after the end of pregnancy, and that it be used with caution in breastfeeding women. After receiving the nine-valent vaccine, it should be observed for half an hour to avoid adverse reactions.