Objective To investigate the current state and influencing factors of left-behind women's sexually transmit-ted diseases in ecological conservation development area of Northeast Chongqing, improve epidemiological monitoring and management, provide a scientific basis for prevention and control of the left-behind women's sexually transmitted diseases. Methods A total of 90 women and non left-behind women were randomly selected from the study. Fill in the general situation questionnaire sur-vey: mainly including general situation, the knowledge of sexually transmitted diseases, condom use, past v...