Before HPV vaccination, you need to go to the hospital for TCT and HPV examination. If you are already infected with HPV virus and have lesions, HPV vaccination without examination cannot prevent cervical cancer and can only aggravate the disease. Therefore, it is necessary to go to the hospital for examination before vaccination to make sure that the body is not infected with HPV virus or cervical lesions before vaccination can be given. There are also certain requirements for the vaccination, and it is best to choose the right HPV vaccine according to your situation as you cannot be injected during pregnancy or while breastfeeding. It is best to observe the vaccine and drink plenty of water. After the vaccination, you should not eat spicy and stimulating food, and pay attention to vulva hygiene and not to have promiscuous sex, so as not to affect your health by HPV infection.