新生儿呼吸窘迫综合征(NRDS)是由于肺泡Ⅱ型上皮细胞产生的肺表面活性物质(pu lmonary surfactant,PS)缺乏所致,是新生儿,尤其是早产儿常见的危重疾病,病死率较高,严重威胁早产儿的生命,此病患儿可在新生儿后期并发慢性肺疾病、早产儿视网膜病等,影响患儿生存质量。因此,及时有 Neonatal respiratory distress syndrome (NRDS) is caused by lack of pulmonary surfactant (PS) produced by alveolar type II epithelial cells and is a common and critical illness in neonates, especially in premature infants. The mortality rate is high , A serious threat to the lives of premature children, children with this disease can be complicated by chronic lung disease in the late neonatal period, retinopathy of prematurity, affecting children’s quality of life. Therefore, in time