Cervical cancer screening is mainly to check whether there is HPV infection on the cervix, and the cytology of the cervix is done to see whether there is any abnormality in the cells on the cervix, so it results in two types of expression, including HPV, which is positive if there is HPV and negative if there is not. In addition, the cytology of the cervix has more results, one of which is to look at the microorganisms on the top of the cervix, whether there are trichomonas, fungi and some bacterial infections. In addition, it is mainly to see whether there is any abnormality of epithelial cells, including squamous cell abnormality, which includes atypical squamous cell, low-grade squamous intraepithelial lesion, high-grade squamous intraepithelial lesion, squamous cell carcinoma. There are also glandular cell abnormalities, which include atypical glandular epithelial cells, adenocarcinoma in situ, adenocarcinoma cells, and other malignant tumor cells.