TCT is the abbreviation of thin layer liquid-based cytology, which is a widely used technique for early cervical cancer screening and has a high detection rate of cervical cancer, and can also detect some precancerous lesions, as well as trichomonas, mycobacteria, viruses, chlamydia, mycoplasma and other pathogens. Cervical cancer has a higher incidence rate among gynecological malignancies. When cervicitis and cervical injury are detected, it is better to have a cervical TCT examination to exclude cervical cancer. You can go to the hospital for the test after your period is completely clean. You need to use a cell brush, brush the cells from the endocervix and put them into the cell fixing solution for examination. Do not have vaginal pills for three days before the TCT test, and do not have sex the day before the test.