Abstract: Objective To study the clinical value of loop electrosurgical excision procedure(LEEP)in the treatment of cervical intraepithelial neoplasia(CIN).Methods LEEP was performed in 206 cases of CIN after multiple punch biopsy under colposcopy treatment in our hospital between August 2006 and August 2009.The symptoms,operative time,volume of bleeding of patients were observed and compared with preoperative cervical biopsy and postoperation pathological examination findings,and patients were followed up to observe...