支气管哮喘简称哮喘,是一种慢性气道炎症性疾病,以嗜酸性粒细胞、肥大细胞反应为主的气道变应性炎症和气道高反应性为特征[1]。气道炎症引起易感者出现不同程度的可逆性气道阻塞症状。临床表现为反复发作的呼气性呼吸伴哮鸣音、胸闷或咳嗽,症状可自行或经治疗后缓解。近年来哮 Bronchial asthma referred to as asthma, is a chronic airway inflammatory disease characterized by eosinophils, mast cell-based allergic airway inflammation and airway hyperresponsiveness [1]. Airway inflammation caused by susceptibility to varying degrees of reversible airway obstruction symptoms. Clinical manifestations of recurrent respiratory exhalation with wheeze, chest tightness or cough, symptoms can be relieved by themselves or after treatment. In recent years, asthma