Objective To evaluate cervical cytology smear in the screening of cervical cancer and precancerous lesions. Methods Analyzed the results of 13 751 cases of cervical smear cell detection by TBS classification, then compared the abnormal results with the pathological diagnosis of cervical biopsy. Results There were 515 positive in 13 751 cas-es. The positive rate was 3.78%. Among the 515 cases, 349 cases underwent cervical biopsy. There were 217 cases up-per than CIN, the positive rate was 62.18%. The coincidence rate was 79.50% between the cervical smear and cervical biopsy. Conclusion Cervical smear is a simple and effective method in screening of cervical cancer, it facilitates basic hospital in rural areas.