Human papillomavirus infection, also known as HPV infection, has been found to be the most important risk factor in the development of cervical precancer and cervical cancer after research in recent years. The grade of risk factors is divided into high-risk and low-risk types, where high-risk HPV infection includes HPV-16, HPV-18, HPV-31, HPV-33, HPV-35, HPV- 39, HPV-45, HPV-51, HPV-52, HPV-56, HPV-58, while the low-risk types include HPV-6, HPV-11, HPV-42, HPV-43, HPV-44, etc. Among them, high-risk HPV subtypes can produce two oncoproteins, as E6 protein and E7 protein, of which E6 protein and E7 protein are the more important proteins that cause cervical intraepithelial lesions and cervical cancer. For women, 80% of them may be infected with HPV virus in their lifetime, but most women with HPV virus infection have no obvious clinical symptoms, and most of them have mild cervical intraepithelial lesions that can subside naturally. Only when the HPV virus, especially the high-risk type, persists, together with some other factors, such as smoking and sexually transmitted diseases, may induce high-grade intraepithelial lesions and even cervical cancer.