Gynecological TCT examination is the English abbreviation of liquid-based thin-layer cytology examination, which is used for cervical cytology classification and diagnosis, mainly for cervical precancer and cervical cancer screening and diagnosis, and can detect some microbial infections, such as mycobacteria, trichomonas, viruses and chlamydia infections, so as to achieve the purpose of early treatment. The examination process is as follows: I. Preparation before examination: In No vaginal douching and no vaginal suppositories for 3 days before the examination. Sexual intercourse is prohibited within 24 hours before the examination, and the bladder is emptied before the examination. Screening indications: 1. It can be used as a screening test for early cervical cancer and precancerous lesions for women of appropriate age; 2. It is suitable for patients with cervical erosion and cervicitis, or those who need to exclude malignant cervical lesions due to other diseases; 3. It is suitable for women who have early sex, early marriage and early childbirth, history of abortion, history of sexually transmitted diseases, or have multiple sexual partners. Contraindications: 1. Women who have not had sex are not suitable for TCT to avoid damaging the hymen and increasing the risk of vaginal infection; 2. When menstruation, vaginal bleeding is more serious, or acute vaginal inflammation, TCT is not suitable, it is better to treat inflammation or bleeding-related diseases first, and wait for 3 days after the end of menstruation, otherwise the accuracy of the results may be affected or aggravate the infection. IV. Examination process: The doctor collects the exfoliated cells from the ectocervix and cervical canal with a cervical brush, then puts the cervical brush in a vial with preservation solution, seals it and sends it for examination. V. Analysis of examination results: 1. Normal results: No intraepithelial lesions or malignant lesions were seen. No reactive cellular changes, microbial infections; 2. Abnormal results: (1) squamous epithelial lesions: the results may show atypical squamous epithelial cells, low-grade intraepithelial lesions, high-grade intraepithelial lesions, squamous cell carcinoma, suggesting that the patient may have atypical hyperplasia of the cervix, carcinoma in situ, cervical squamous cell carcinoma and other diseases; (2) abnormal glandular epithelial cells: the results may show endometrial glandular epithelial cells high amount, high amount of endocervical glandular epithelial cells, atypical glandular epithelial cells, atypical cervical duct glandular cells, suggesting that the patient may have endometriosis, endometrial tumor, cervical duct adenocarcinoma, endometrial adenocarcinoma and other diseases. Precautions should be taken not to overexert yourself and to take rest 2-3 days after the examination. Sexual intercourse is not recommended within 2 weeks after the examination to avoid discomfort. After the examination, you should pay attention to the cleanliness and hygiene of the perineum, do not take a sitz bath and change your underwear regularly. In addition, there may be a small amount of vaginal bleeding after the TCT examination, which usually does not require special treatment, but if the amount of vaginal bleeding is large, it is recommended to visit the obstetrics and gynecology department in time.