The cervical cancer vaccine can produce the following effects: 1. After the patient is injected, it can prevent the infection of the high-risk types of human papilloma virus contained in the vaccine. For example, the bivalent vaccine can prevent the infection of viruses type 16 and 18. However, the vaccination cannot treat this virus that has already been infected, so patients should be screened for HPV virus before vaccination to determine whether the patient has an infection. 2. It can prevent the occurrence of cervical cancer. The HPV vaccine can prevent the occurrence of cervical cancer because more than 90% of cervical cancers are related to high-risk papillomavirus infection.