在新生儿期发病率及病死率最高的疾病被认为是呼吸系统疾病,在NICU中,为改善呼吸衰竭病儿的肺通气,换气状况,呼吸机的使用非常广泛,而同时予以肺功能的监测,对诊断、治疗都是十分有利的。肺功能的检测方法很多,可以通过不同的方式了解病人的通气、换气及机体氧和状况。吸气时气体进入体内,需要克服胸廓和肺的弹性阻力及呼吸道及组织的非弹性阻力。肺的顺应性,即肺组织的弹性,它代表单位压力改变所发生的肺的容量的改变,肺 In the neonatal period the morbidity and mortality of the highest disease is considered a respiratory disease, NICU, respiratory failure in children with respiratory disease to improve ventilation, ventilation, ventilator use is very wide, while at the same time to lung function Monitoring, diagnosis, treatment are very beneficial. There are many ways to detect pulmonary function, you can understand the patient’s ventilation, ventilation and body oxygen and status through different ways. Inhalation of gas into the body, you need to overcome the elastic resistance of the thorax and lungs and respiratory and tissue non-elastic resistance. The compliance of the lungs, the elasticity of the lung tissue, represents the change in the capacity of the lungs that occurs as a unit of pressure changes, the lungs