Objective: To compare the clinical distribution of human papillomavirus( HPV) genotypes in Yan'an city and Yulin city. Methods: All the cervical cell specimens and 19 HPV genotypes were analyzed by PCR reverse spot hybridization technology. Results: In Yan 'an city,HPV infection rate was 40. 76%( 1 410/3 459),high-risk HPV infection rate was 38. 65%( 1 337/3 459),low-risk HPV infection rate was 3. 85%( 133/3 459). In Yulin city,HPV infection rate was 30. 36 %( 685/2 256),high-risk HPV infection rate was 29....