Background: HPV (human papillomavirus) is one of the most common sexually transmitted diseases in the world. It can cause many cancers, such as cervical cancer, anal cancer, and oral cancer. Early HPV infection generally has no obvious symptoms, but if not treated in time, it may develop into cancer. Therefore, HPV examination is very important, which can help early detection and early treatment and improve the cure rate. Examination methods: There are two main methods for HPV examination: one is