Objective To understand the epidemiological characteristics of metabolic syndrome (MS ) among adults in Wanzhou District of Chongqing City in order to provide reference for carrying out the prevention and treatment of MS in this re‐gion .Methods The multi‐stage random sampling method was adopted to perform the questionnaire survey ,body measurements and laboratory detection in the adult residents aged 18 years old and over extracted from 26 villages ,towns and urban streets .The MS prevalence rate was calculated and MS component distribution situation was analyzed .Results A total of 2 587 people were effec‐tively surveyed .The MS total prevalence rate was 13 .8% ,which was risen along with the age increase .The prevalence rates of ab‐dominal obesity ,hypertriglyceridemia ,low HDL‐C level ,hypertension and hyperglycemia were 16 .5% ,23 .5% ,23 .3% ,35 .5% and 27 .2% respectively .The proportions of people possessing at least 1 ,2 ,3 ,4 components and 5 components of MS were 71 .6% , 36 .2% ,13 .8% ,3 .9% and 0 .5% respectively .Conclusion The prevalence rate of MS reaches a certain level in this region ,it is necessary to carry out the health education of MS ,change the adverse lifestyle ,control the corresponding factors ,which could reduce the MS risk and promotes its reversion .