哮喘和慢性阻塞性肺疾病(简称慢阻肺)是临床上最常见的两大慢性呼吸系统疾病~([1-2])。他们的共同特征是慢性的炎症反应以及气道的重塑,但区别在于炎症形式、受累及的组织结构以及初期病理改变的位置~([3])。在比较不吸烟的年轻哮喘患者和吸 Asthma and chronic obstructive pulmonary disease (COPD) are the two most common chronic respiratory diseases in clinical practice (1-2). Their common feature is a chronic inflammatory response as well as airway remodeling, but the difference is in the form of inflammation, the underlying tissue structure, and the location of the initial pathological changes ~ ([3]). Young smokers in comparison to smoking and sucking