There are some risks after cervical cancer vaccination, and fever, local skin redness, itching, and even headache, dizziness and other discomforts may also occur. There is a relationship between the cervical cancer vaccine and the reaction of the body after injection. It is a kind of antigen that produces certain antibodies in the body after injection before it can play a protective role. Cervical cancer vaccine injection is mainly used to prevent the occurrence of cervical cancer, but women will not play a role in preventing all subtypes of HPV virus infection after injection of cervical cancer vaccine, but only for a small portion of high-risk types of HPV virus. It can only target a small number of high-risk HPV viruses, and has no preventive effect on cervical lesions caused by other high-risk HPV viruses. Therefore, after receiving the cervical cancer vaccine, women should also undergo gynecological examination every year and cervical cancer joint screening every three years to detect cervical lesions caused by other subtypes of HPV viruses in a timely manner. When having sex, you should also pay attention to keep your vulva clean and hygienic, and avoid high-risk sex.