新生儿感染性肺炎（简称肺炎）是新生儿的常见病，是引起新生儿死亡的重要原因。发生在宫内或分娩过程中占活产婴儿的0．5‰，占新生儿尸解的5．35％，占新生儿肺部疾病尸解的41．5％。全世界每年有二百万新生儿死于肺炎。因此要达到WHO提出的2000年婴儿死亡数减少三分之一的目 Neonatal infectious pneumonia (referred to as pneumonia) is a common disease of newborns, is an important cause of neonatal death. Occurred in the uterus or childbirth accounted for 0.5 ‰ of live births, accounting for 5.35% of neonatal autopsy, accounting for 41.5% of neonatal lung disease autopsy. Every year, two million newborns worldwide die of pneumonia. Therefore, the WHO’s goal of reducing the number of infant deaths by 2000 by one third is to be reached