Allergic asthma, also known as allergic asthma, is a category of asthma that is caused and/or triggered by allergens, and was previously known as exogenous asthma. Allergic asthma is a complex disease associated with allergens. There are hundreds of allergens, which are mainly categorized as inhalant and ingestible. Inhaled allergens include dust mites, pollen, fungi, etc.; ingested allergens fish, shrimp, eggs, fruits, milk, etc. The goals of treatment for an acute attack of allergic asthma are to relieve airway spasm as soon as possible, correct hypoxemia, restore lung function, prevent further deterioration or reoccurrence, and prevent complications. Glucocorticosteroids are currently the most effective drugs to control asthma, commonly used beclomethasone, budesonide and so on. 1. Beclomethasone: aerosol inhalation can be used to relieve asthma symptoms, allergy to this drug and adrenocorticotropic hormone is prohibited, individuals have a sense of irritation, and occasional hoarseness or dry mouth and other adverse reactions. 2. Budesonide: prohibited for those who are allergic to budesonide or milk protein, adverse reactions include hoarseness, cough and throat irritation. The above medications should be used under the guidance of a doctor, daily life should try to stay away from allergens, try to rest indoors, avoid inhaling cold air, if you need to go out, it is recommended to wear a mask.