objective:to understand the zuojiazhuang community (hereinafter referred to as Oriental zuojiazhuang) Beijing household register 2012 people over the age of 50 stroke prevalence and risk factors. Methods:in 2012, in the community with the method of random sampling, a total of Oriental zuojiazhuang Beijing household register more than 50, 5733 people, has carried on the questionnaire survey and physical measurement. Result:zuojiazhuang Beijing household for people over the age of 50 stroke prevalence was 9.8%, more men than women significantly, with 465 cases of ischemic cerebral apoplexy and hemorrhagic 25 cases, 95 cases of recurrence, the recurrence rate is higher. Smoking and atrial fibril ation in patients with cerebral apoplexy and valvular heart disease, high blood pressure, diabetes, dyslipidemia, family history of stroke, BMI≥24kg/m2, prevalence and exposure rate were 27.5%, 7.5%, 64.5%, 7.5%, 41.6%, 18.2% and 43.6% were higher than the patients with cerebral apoplexy. Conclusion:zuojiazhuang people over the age of 50 stroke prevalence rate is high, the recurrence rate is high, give priority to with ischemic;And the main risk factors for high blood pressure, chronic il nesses are overweight or obese, family history of stroke.