The cervical cancer vaccine is given under the skin of the arm, and a total of three injections are needed to achieve the purpose of preventing cervical cancer. You can choose any time for the first shot, but you must avoid menstruation, and you can’t get vaccinated if you have a cold or fever. After the first vaccination, the second vaccination can be given within three months, and the third vaccination should be given within eight months after the second vaccination. The third vaccine is given eight months after the second vaccine, which means that all three vaccines should be given within a year’s time. In addition, after the cervical cancer vaccine, local redness, swelling and pain may occur, and the vast majority of these symptoms are mild. If it still cannot be relieved in 3-4 days, it is recommended to go to the hospital for appropriate treatment.