Abstract: Objective To examine epidemic status of obesity and overweigh and its risk factors in adult residents of Fushun municipality and to provide evidences for making intervention measures.Methods By using random cluster sampling,4 752 urban and rural residents aged 18-75 years in 4 districts of Fushun city,Liaoning province were recruited for a questionnaire survey and physical examination.Body mass index(BMI)and waist circumference(WC)were used to categorize overweight and obesity according to the criterion of Guidelines for Overweight and Obesity Prevention and Control for Chinese Adults.SPSS 17.0 was adopted in data analysis.Results The obesity,overweight,and overweight/obesity rate were 29.1%,9.3%,and 38.4%in the residents;compared to the male residents,the female residents had significantly lower rates of overweight(30.3%vs.27.9%)and overweight/obesity(39.3%vs.37.4%)(P=0.02),but there was no significant gender difference in obesity rate(9.0%vs.9.5%)(P>0.05).The rate of central obesity among the residents was 39.1%and the rate of male residents was significantly lower than that of the female residents(19.1%vs.20.1%)(χ²=56.4,P=0.002).There were differences in overweight rate among the female residents at different age and the male residents with different education(P<0.05),in the obesity rate among the males at different age and with different education and the females with different education(P<0.05),and in central obesity rate among both male and female residents at different age and with different education(all P<0.05).Conclusion The adult residents have slightly higher rates of overweight and obesity and the female residents have higher rates of overweight,overweight/obesity and central obesity than the male residents in the urban and rural of Fushun city.