肺功能检查是临床上评价胸、肺疾病及呼吸生理的重要手段,对于早期检出肺、气道疾患、诊断气道病变的部位、鉴别呼吸困难的原因、评估疾病的严重程度和预后、评定药物或其他治疗方法的疗效、评估胸肺手术的耐受力、评估劳动强度及耐受力、以及对危重患者的监护等,肺功能是必不可少的内容。中华医学会呼吸病学分会发布的《慢性阻塞性 Pulmonary function tests are clinically important measures of chest, lung disease and respiratory physiology. For the early detection of lung and airway diseases, the diagnosis of airway lesions, the identification of causes of dyspnea, the assessment of the severity and prognosis of the disease, Pulmonary function is essential for the efficacy of drugs or other therapies, assessment of tolerance in thoracic surgery, assessment of labor intensity and tolerability, and monitoring of critically ill patients. Chinese Medical Association of respiratory disease will be released "chronic obstructive