经鼻（面）罩机械通气已成功地用于神经、肌肉疾病和胸廓畸形引发的呼吸衰竭。在慢性阻塞性肺病（COPD）呼吸衰竭患者中的应用也逐渐增多。国内应用BIPAP呼吸机治疗轻症COPD呼吸衰竭也取得了一定经验。本文着重分析面罩通气治疗COPD呼吸衰竭的疗效及影响因素并对适应证和禁忌证 Nasal (facial) mask mechanical ventilation has been successfully used for nerve, muscle disease and thoracic deformity caused by respiratory failure. In patients with chronic obstructive pulmonary disease (COPD) respiratory failure has also gradually increased. Domestic application of BIPAP ventilator treatment of mild COPD respiratory failure also made some experience. This article focuses on the analysis of mask ventilation for the treatment of COPD respiratory failure efficacy and influencing factors and indications and contraindications