慢性阻塞性肺疾患(Chronic obstructialpulmonary disease COPD)以慢性支气管炎和肺气肿居多。1974年美国报导此类病人全国约有1,380万,住院死亡率为6～38%,占死亡原因的第三位。一年中的医药费用高达59亿美元.因此,对COPD 的康复治疗是治疗中需要着重解决的问题之一。 Chronic obstructive pulmonary disease (Chronic obstructive pulmonary disease COPD) with chronic bronchitis and emphysema mostly. In 1974, the United States reported that there were about 13.8 million such patients nationwide and the in-hospital mortality rate was 6 to 38%, accounting for the third leading cause of death. Medical expenses in one year are as high as 5.9 billion U.S. dollars.Therefore, the rehabilitation of COPD is one of the problems to be solved in the treatment.