5岁以下儿童死亡率是衡量一个地区社会经济发展水平的重要指标之一。对宜都市2008-2012年5岁以下儿童死亡率及主要死因变化趋势进行分析,为制定政策提供理论依据。1资料与方法 1.1资料来源2007年10月1日至2012年9月30日在宜都市常住户口及居住1年以上的流动人口中的5岁以下 The mortality rate of children under 5 years of age is one of the important indicators to measure the level of social and economic development in a region. This paper analyzes the trend of death rate and the main causes of death among children under 5 years old in Yidu City from 2008 to 2012, and provides a theoretical basis for policy formulation. 1 Materials and Methods 1.1 Source of Information October 1, 2007 to September 30, 2012 in Yidu City permanent residence and living in more than one year of floating population under the age of 5