支气管哮喘(简称哮喘),是一种以嗜酸性细胞、肥大细胞反应为主的气道炎症,具有气道高反应性和不同程度的可逆性气道阻塞疾病。哮喘的诊断一般并无困难,主要依据病史、症状和发作时的体征,并必须排除可能造成气喘或呼吸困难的其他疾病后,结合必要的肺功能检查,气道反应性测定及各项实验室包括免疫学等检查,可作出明确诊断。支气管哮喘往往有反复发作的病史,发 Bronchial asthma (asthma), is a kind of eosinophils, mast cell-based airway inflammation, with airway hyperresponsiveness and varying degrees of reversible airway obstruction. The diagnosis of asthma is generally not difficult, based primarily on medical history, symptoms and signs at the time of the episode and the need to rule out other conditions that may cause asthma or dyspnea, combined with the necessary lung function tests, airway reactivity assays, and laboratories Including immunology and other tests, can make a clear diagnosis. Bronchial asthma often have recurrent history, hair