The so-called cervical screening is actually cervical cancer screening, also known as cervical liquid-based cytology, or tct test, and when doing cervical screening, it is often recommended to do it together with hpv (human papillomavirus) because high-risk HPv is the main cause of cervical intraepithelial neoplasia and cervical cancer. Therefore, for women with high-risk hpv infection, their chances of developing cervical cancer are significantly higher than those of ordinary women, so when cervical cancer screening is performed, HPv screening should be done at the same time. Current research guidelines have pointed out that women need to be screened for cervical cancer whenever they have sex for more than one year, because the chances of high-risk hpv infection increase significantly after having sex, and hpv is mainly caused by sexual intercourse, so sexual intercourse is actually the primary condition for cervical cancer screening. If a woman has been checked for three years in a row and her cervical tct and hpv are negative, then she can have a routine recheck at an interval of one year, and it is also possible to prevent high-risk hpv infection by vaccination against cervical cancer, so cervical cancer is actually a cancer that can be detected and prevented early. Consider hpv vaccination. For post-menopausal women, annual cervical cancer screening is still needed because this is the high incidence stage of cervical cancer.