肺表面活性物质 (PS)治疗新生儿呼吸窘迫综合征(NRDS)已有 2 0余年历史 ,随着对PS研究的逐步深入和扩展 ,PS不仅在治疗NRDS上取得显著疗效 ,治疗其他肺部疾病也显示较好疗效[1] 。本文主要介绍PS在治疗新生儿肺部疾病的应用。1　治疗NRDSNRDS主要发生在胎龄小于 34～ 35周的早 Pulmonary surfactant (PS) has been used for the treatment of neonatal respiratory distress syndrome (NRDS) for more than 20 years. With the gradual deepening and expansion of PS, PS not only achieves significant therapeutic effect on NRDS, but also treats other lung diseases Also showed good effect [1]. This article describes the PS in the treatment of neonatal lung disease. 1 Treatment NRDSNRDS occurs mainly in gestational age less than 34 to 35 weeks early