Objective To explore the incidence of sudden cardiac death(SCD)of urban residents in Beijing.Methods A community based epidemiology survey was performed on the residents of 4 communities in the Xicheng and Haidian districts in Beijing from October 2008 to September 2009.Data on the total population,age,gender and vital status were monitored,and incidence of SCD as well as related information were collected from the household administrative workers,the family members of the deceased,the hospital personnel and the witnesses. Objective To explore the incidence of sudden cardiac death (SCD) of urban residents in Beijing. Methods A community based epidemiology survey was performed on the residents of 4 communities in the Xicheng and Haidian districts in Beijing from October 2008 to September 2009. Data on the total population, age, gender and vital status were monitored, and incidence of SCD as well as related information were collected from the household administrative workers, the family members of the deceased, the hospital personnel and the witnesses.