慢性阻塞性肺疾病(COPD)并呼吸衰竭是临床上常见的危急重症,其患病人数多、病死率高、社会经济负担重。过去常规消炎、平喘及激素治疗时间长,缓解率低。近年来,随着BiPAP呼吸机的问世及人工性能的改进,经鼻、面罩实施无创正压通气(NIPPV)逐渐应用于临床。本文将NIPPV与常规治疗 Chronic Obstructive Pulmonary Disease (COPD) and respiratory failure are common and critically ill critically ill patients. Their number of patients is high, their case fatality rate is high, and their socio-economic burden is heavy. In the past conventional anti-inflammatory, antiasthmatic and hormone therapy for a long time, low response rate. In recent years, with the advent of BiPAP ventilator and the improvement of artificial performance, noninvasive positive pressure ventilation (NIPPV) via nasal mask and nasal mask has gradually been applied to clinical practice. This article will NIPPV and conventional treatment