Aim To investigate the prevalence and distribution of metabolic syndromein the elder male community population of Beijing. Methods The medical check-up data in 1 736 elder male cases,which sampled randomly from the 136 communities in Beijing,were acquired and analyzed. Results The proportions of theelder male people with metabolic syndrome, obesity, essential hypertension, glucose metabolic disorder, triglycerodes were 30.7%, 39.6%, 56.4%, 62.0% and 37.0% respectively. In the old patient's groups, the prevalence rates of MS and essential hypertension were similar to that of very old patients', while the glucose disorder werelower, obesity and triglycerodes were significantly higherthan that of very old patients' group. The prevalence of MS risk population in the very old patients' group was also significantly higher than that of the old patients' group. Conclusion The prevalence rate of MS is very high in theelder male community population of Beijing. The rates of MS and its components withthe middle aged patient's groupdiffered from those ofthe old and very old patient's groups.