The first step in treating a child’s allergic cough should be to identify and keep away from allergens, and then carry out anti-allergy, cough suppressant treatment or glucocorticoid medication, as well as pay attention to exercise in normal times to enhance physical fitness. 1. Identify and stay away from allergens: If the cough is caused by allergies, first of all, you should go to the hospital to test the allergens, and then avoid contact with allergens, such as dust, pollen and so on. 2. Anti-allergy treatment: If the symptoms are not relieved after staying away from allergens, anti-allergy drugs such as cetirizine can be used. 3. Glucocorticoid medication: Glucocorticoid medication can be used to treat allergic cough, which is fast-acting, but cannot be used for a long period of time. Children with cough and allergy symptoms, to the hospital in a timely manner, under the guidance of the doctor to use drugs, avoid unauthorized use of drugs, to prevent the adverse consequences.