ObjectiveTo determine the prevalence of overweight and obesity in adult populations in Mianyang, Sichuan province. MethodsA questionnaire survey involving physical examinations were conducted in 262 434 adults (≥18 yr.) selected through multi-stage random sampling from November 2014 to September 2015 in Mianyang city. ResultsAmong the people surveyed, 79 981 (30.48%) were overweight, and 23 010 (8.77%) had obesity. The male participants had a higher percentage (32.28%) of overweight than females (29.10%, P P P P P