After receiving the nine-valent HPV vaccine, it is important to pay attention to the following matters: First, pay attention to rest and keep warm, do not catch a cold or catch a cold. Second, pay attention to the injection site has not appeared red, swollen, hard nodules, generally do not take a bath within 24 hours of injection, so as not to cause the injection needle site infection. Third, the diet should be light, do not eat spicy and stimulating food. If there is a serious allergic reaction, seek medical attention in time. It is best to observe the vaccine in the same place within half an hour of injection and leave only if there is no allergic reaction. Fourth, do not have intercourse within a short period of time after the vaccination, and be sure to do a good job of contraception. Fifth, the vaccination is generally divided into three injections, which need to be completed within a year, and after the last injection it is recommended that women should be contraceptive for six months before considering pregnancy, and stop the injection if they are unexpectedly pregnant.