Allergic asthma does not leave the allergen will lead to recurrent asthma attacks, or asthma aggravation, and even life-threatening. 1. The main cause of allergic asthma attacks is exposure to allergens. After exposure to allergens, some patients may have mild symptoms, such as coughing and wheezing, while those with severe symptoms may experience chest tightness and difficulty in breathing, and in severe cases, the symptoms may be life-threatening. Therefore, avoiding contact with allergens is the most fundamental measure to prevent and treat allergic asthma. 2. After the occurrence of allergic asthma, if you fail to keep away from allergens, asthma symptoms will continue to worsen, and even life-threatening. Failure to remove allergens in time can also lead to recurrent asthma attacks in patients. 3. There are many items that cause allergic asthma attacks, including inhaling pollen, animal hair, dust mites, etc., and also eating high-protein foods such as fish, shrimp and eggs. 4. Allergic asthma patients should be detected early, early treatment, standardized use of drugs, mainly including inhaled glucocorticosteroids combined with long-acting β2 agonists, such as Sinequan DuPao. It is recommended that patients with allergic asthma consult a specialist regularly, standardize treatment, and follow up regularly for review.