Gynecological examination of liquid-based thin layer in clinical practice mainly refers to TCT test, which is one of the items of cervical cancer screening, and cervical cancer screening includes TCT and HPV test, while TCT test is the result of understanding whether cervical epithelial lesions can occur, and HPV is the cause of understanding whether cervical epithelial lesions can occur, so the two must be combined and the results should be The results should be analyzed in a comprehensive manner. If lesions or abnormalities occur, further tests should be done to understand whether there are lesions in the cervical epithelium, such as colposcopy to understand whether precancerous lesions or cervical cancer will occur, which is the final clinical diagnosis, and women are also recommended to have annual cervical cancer screening.