OBJECTIVE To investigate the impact on the prevalence of hypertension by body mass index and waist circumference.METHODS Participants aged 35 and above were investigated by site investigation or household survey.A total of 1426 subjects completed the questionnaire survey and Physical examination.RESULTS The prevalence of hypertension,overall obesity,central obesity and overweight and central obesity in this community were 29.96%,12.52% and 33.26%,respectively.The prevalence of hypertension increased with the BMI,and the risks of hypertension in overweight and obesity,central obesity and overweight and central obesity were higher than population with normal weight and waist circumference.CONCLUSION Overweight and obesity are prevalent in this area.Control of body weight is of great importance to the prevention and treatment of such chronic diseases as hypertension.