哮喘是呼吸系统的一种炎症反应 ,在儿童中较为常见。哮喘患者的呼吸道对过敏原以及存在于空气中的其他刺激物特别敏感 ,在这些过敏原或者刺激物的作用下 ,呼吸道黏膜发生炎症反应 ,使黏膜充血、管腔狭窄 ,从而引起哮喘的发作。当哮喘发作时 ,环绕呼吸道的肌肉也可以撕裂 ,使得 Asthma is an inflammatory reaction of the respiratory system that is more common in children. The respiratory tract of asthmatic patients is particularly sensitive to allergens and other irritants present in the air. Inflammatory reactions occur in the respiratory mucosa under the action of these allergens or stimuli, causing congestion of the mucous membranes and stenosis of the lumen causing asthma attacks. When the asthma attack, the muscles around the respiratory tract can also be torn, so