婴儿呼吸窘迫综合征(IRDS)是造成新生儿死亡的常见病因。发病的主要原因为胎儿肺表面活性物质的缺乏。 氨溴索(Ambroxol)易透过胎盘,聚积在胎儿肺及肝脏内,一方面刺激细胞内靶器官分泌表面活性物质;另一方面 Infant respiratory distress syndrome (IRDS) is a common cause of neonatal death. The main reason for the incidence of fetal lung surfactant lack. Ambroxol easily through the placenta, accumulation in the fetal lung and liver, on the one hand to stimulate the target organ of cells to secrete surfactant; the other hand