Pediatric asthma is a common lung disease in children, a reversible obstructive respiratory disease with recurrent episodes of coughing, wheezing and dyspnea with airway hyperresponsiveness. Asthma is a common chronic respiratory disease that poses a serious health risk to children, and its triggering factors are often related to the child’s physical condition and allergies. Maintenance. Treatment plan: (1) Find allergens and avoid contact with them in order to cut off the pathway of disease triggering once and for all. (2) Enhance the child’s own resistance, usually eat more food containing vitamin C, such as potatoes, oranges, kiwis, tomatoes, etc., as well as mushroom food, enoki mushrooms, apricot mushrooms can enhance the child’s resistance in a certain sense. Or oral intake of Yu Ping Feng granules, these resistance enhancing drugs to reduce asthma attacks. (3) The medication, together with sulforaphane, can treat allergic rhinitis and prevent allergic asthma, as well as nebulizer treatment with budesonide and terbutaline. After continuous nebulization for about one month, the dose will be reduced and then nebulized to give a certain maintenance dose, and then evaluated until the child’s airway hyperresponsiveness disappears.