支气管哮喘的本质是气道的慢性变态反应性炎症 ,炎症导致气道高反应性。哮喘非急性发作期治疗的核心在于抑制气道炎症、降低气道反应性。为探讨中药平哮定喘汤抑制气道炎症、降低气道高反应性的作用 ,我们自 1998年 8月至 1999年 8月对哮喘非急性发作期中度患者用平哮定喘汤治? The essence of bronchial asthma is the chronic allergic inflammation of the airways, and inflammation leads to airway hyperresponsiveness. The core of non-acute episodes of asthma is to inhibit airway inflammation and reduce airway responsiveness. To explore the role of Pingwu Dingchuan Decoction in inhibiting airway inflammation and reducing airway hyperresponsiveness, we have used Pinghe Dingchuan Tang for non-acute attack asthma patients from August 1998 to August 1999.