Asthma is a common recurrent croupy asthma disease in pediatric period, characterized clinically by shortness of breath, phlegm in the throat, prolonged expiration, inability to lie down, and difficulty in breathing during attacks. Most children have a history of infantile eczema, allergic rhinitis, food or drug allergy in the past. 2. Environment: such as allergen inhalation, respiratory tract infection and cold stimulation, etc. Clinical manifestations Repeated wheezing, coughing, shortness of breath, chest tightness, dyspnea, irritability, forced sitting, croup sounds in both lungs, aggravated by night or early morning, usually relieved by themselves or with wheezing medication. Long-term attackers are often accompanied by nutritional disorders and stunted growth. The principles of asthma prevention and control are to eliminate the causes, control acute attacks and prevent recurrence. 1.Elimination of causes: various triggering factors that cause asthma attacks should be avoided or eliminated. 2.Control of acute attack: mainly anti-inflammatory and asthma treatment. 3.Preventive treatment: (1) Drug therapy (glucocorticoids, anti-allergy, etc.). (2) Immunomodulation and desensitization therapy. (3) Physical exercise to enhance physical fitness. 4.Chinese medicine treatment: (1) The application of Western medicine standardized treatment in the exacerbation period, together with Chinese medicine evidence-based treatment. In the remission period, Chinese medicine is used to support the root of the disease and strengthen the spleen and kidney. (2) Compressing therapy: Every year, Chinese medicine acupuncture point compressing therapy is used to prevent and treat asthma during the three volts in summer and the three nines in winter, which can effectively reduce the number of asthma attacks and the degree of attacks in children. (3) Ointment therapy: The doctor prescribes the ointment after determining the physical identification of the child through the four consultations. It is usually started around the winter solstice and lasts for about 1 to 2 months.