慢性阻塞性肺疾病 (COPD)和支气管哮喘 (以下简称哮喘 )均存在气道的慢性炎症 ,是这两种疾病均可使用糖皮质激素治疗的共同的理论基础[1 ] 。在经过 50年的临床应用和研究发现 ,这两种疾病对糖皮质激素治疗的疗效反应差异很大 ,糖皮质激素能有效地缓解哮喘患者的症状 ,改善其肺 Chronic obstructive pulmonary disease (COPD) and bronchial asthma (hereinafter referred to as asthma) have chronic airway inflammation, which is a common theoretical basis for the use of glucocorticoid therapy in both diseases [1]. After 50 years of clinical application and study found that these two diseases on glucocorticoid response to treatment vary widely, glucocorticoids can effectively alleviate the symptoms of asthma patients to improve their lung