【Abstract】 Objective To explore the prevalence, awareness, treatment, control rate and risk factors of hypertension of residents in Nanchong and provide the basis for prevention and treatment. Methods The residents 45 years old or above in Dongnan community were screened out by computer, who accepted questionnaire survey including dietary habit, chronic disease history, chronic disease family history and so on. Then they accepted physical examination and blood test. Results The prevalence, awareness, treatment, control rate of hypertension in Dongnan community were 44.1%, 44.1%, 36.8% and 11.5% respectively. Age (OR=1.054), weight (OR=1.027), waist circumference (OR=1.027), diabetes (OR=1.705) and hypertension family history (OR=2.485) were all significantly related to hypertension. Conclusion The prevalence rate of hypertension in Dongnan community was high, while the awareness, treatment, control rate were low. Age, weight, waist circumference, diabetes and hypertension family history were independent risk factors of hypertension. Some measures should be carried out to enhance prevention and treatment of hypertension according to the risk factors above.