ObjectiveTo determine the mortality， composition and trend of death causes of residents in Changxing community， Chongming District， Shanghai from 2017 through 2019， and provide scientific evidence for disease prevention and control strategies.

MethodsMortality data of household registered population in this community during January 1， 2017， and December 31， 2019， were collected. Causes of death were coded according to the ICD-10 and then analyzed by descriptive epidemiological method.

ResultsFrom 2017 through 2019， crude annual mortality of household registered residents in Changxing Community was 816.32/10⁵， 825.01/10⁵， and 770.16/10⁵， respectively. The average annual mortality was 803.82/10⁵. The leading death causes were cancer， circulatory disease， respiratory disease， and injury， poisoning and other external causes. Male mortality was higher than female mortality in all years.

ConclusionMain death causes of residents in Changxing Community are chronic non-communicable diseases， followed by external causes of injuries and poisoning. Our study provides scientific evidence for the improvement of health strategies by the local health administration， which warrants targeted health education measures to reduce the morbidity and mortality of chronic diseases and improve the health.