Objective:To investigate the significance of colposcopy positive in cervical intraepithelial neoplasia(CIN),to evaluate the value of colposcopy positive image in the diagnosis of CIN.Methods:We took cervical cancer screening in 15 000 cases of 35~64 years old rural women in Zunyi County of Guizhou province from September to December in 2013.We took colposcopy examination for the TCT was abnormal(ASC-US) patients;200 patients underwent colposcopy examination,the colposcopy image abnormality in 130 cases,path...