5岁以下儿童死亡率是衡量一个地区经济状况、妇幼保健水平的重要指标。分析5岁以下儿童的死亡率和死因变化规律,提出有针对性的干预措施,有效地降低5岁以下儿童死亡率,是当前妇幼保健工作的重要内容之一。为准确掌握5岁以下儿童的死亡率和死因变化规律,提出有针对性的干预措施,有效 The under-five mortality rate is an important indicator of the economic status of a region and the level of maternal and child health care. It is one of the important contents of current maternal and child health care to analyze the changes of mortality and cause of death in children under 5 years old and put forward targeted interventions to effectively reduce the mortality rate of children under 5 years of age. In order to accurately understand the changes of mortality and cause of death in children under 5 years of age, we put forward targeted interventions that are effective