Abstract: Objective To understand the current situation of physical exercises and daily diets among left-behind junior high students in Fenghuang county of western Hunan province,and to provide reference for physical education in schools in minority ethnics.Methods A total of 1 348 middle school students were taken randomly at different levels from Fenghuang County to answer questionnaires about Chinese health-related behaviors among teenagers.Results For physical exercise 3-4 times per week,non-left-behind students (16.56%) reported more than left-behind students (11.87%).For physic exercise less than 30 minutes,left-behind girls (89.72%) reported more than non-left-behind girls (81.52%).For physical exercise with families,urban non-leftbehind students (8.80%) reported more than urban left-behind students (2.35%).For physical inactivity,non-left-behind students (25.07%) reported more than left-behind students (16.16%).All the differences were of statistical significance (P<0.01).Left-behind boys (73.61%) reported more on no access to milk.Non-left-behind students (31.88%) were higher in monophagia than that of left-behind (21.18%).Rural non-left-behind students (30.61%) had higher reporting rates on frequent sweet food than rural left-behind students (24.07%).All the differences were of statistical significance (P<0.01).Conclusion Intervention programs should be proposed regarding physical activity and unhealthy diets among left-behind junior high school students in Fenghuang County,as well as appropriate health education.