研究居民死亡原因及其变动趋势 ,不仅能反映居民的基本健康指标 ,还可以从中找出威胁人群生命的主要原因 ,为制订卫生保健等措施提供重要依据。现将铜陵市 1990～ 1999年居民死因资料分析如下 :1　资料来源与方法人口资料来自公安和计生部门的人口统计。死因资料来源于市防疫站 Studying the causes of residents’ deaths and their changing trends not only reflect the basic health indicators of residents, but also identify the main reasons that threaten people’s lives and provide an important basis for formulating health care and other measures. The analysis of the death causes of residents in Tongling from 1990 to 1999 is as follows: 1 Sources and methods of data Demographic data come from the statistics of public security and family planning departments. The cause of death comes from the City Epidemic Prevention Station