TCT is one of the screening tests for cervical cancer and can detect the following items: 1. If there is chronic inflammation of the cervix, it can be detected by TCT; 2. If there is localized Candida infection, Trichomonas infection, or bacterial vaginosis at the mouth of the cervix, it can also be detected by TCT; 3. The main purpose of TCT is to find out whether there are precancerous lesions in the cervical epithelium The main purpose of TCT is to find out whether there are precancerous lesions in the cervical epithelium, whether they are of high grade or low grade, and whether there is cervical cancer. All of the above items can be learned through TCT, so it is recommended that women should be screened for cervical cancer once a year even if they are not in discomfort. If there is any problem, it should be dealt with in time, and if there is no problem, regular review is enough.