山西省阳城县1974年～1991年5岁以下儿童死亡率属中等偏高水平,大多数年代在30％～50‰之间,与我国一般农村地区水平(48.7‰)接近。死因随年龄增长及年代推移而变化。但第1位死因都是肺炎。目前0～岁组主要死因除肺炎外,还有先天异常、出生窒息和早产、低出生体重;年龄稍长后,除肺炎外,还有先天异常、意外、痢疾、溺水等。 In Yangcheng County, Shanxi Province, the mortality rate of children under 5 years of age from 1974 to 1991 was moderately high, most of which ranged from 30% to 50%, close to the level of the general rural areas in China (48.7%). Cause of death with age and change over time. However, the first cause of death is pneumonia. At present, the main causes of death in 0 ~ group are pneumonia, congenital anomalies, birth asphyxia and premature birth, low birth weight; older age, in addition to pneumonia, there are congenital anomalies, accidents, dysentery, drowning and so on.