Bronchial asthma (referred to as: asthma) is a common and frequent disease, everyone knows and very favorite famous singer Teresa Teng was asthma took her life. Currently, there are about 300 million asthma patients worldwide and about 30 million asthma patients in China. Asthma is an important disease that affects people’s physical and mental health. Treatment is not timely, not standardized, asthma may be fatal, and standardized treatment, today’s treatment means can make close to 80% of asthma patients disease is very well controlled, working life is almost not affected by the disease. World Asthma Day is celebrated on the first Tuesday of May each year to remind the public of the disease and to improve the prevention and treatment of asthma. Pathogenesis Risk factors for the development of asthma include both host factors (genetic factors) and environmental factors. Genetic factors can be reflected in many patients, for example, the vast majority of patients’ relatives (blood relations, the last three generations) can be traced back to a history of asthma (repeated coughing, wheezing) or other allergic diseases (allergic rhinitis, atopic dermatitis). Most asthmatics are allergic and may have allergic rhinitis and/atopic dermatitis themselves, or may be allergic to common airborne allergens (mites, pollen, pets, molds, etc.), certain foods (nuts, milk, peanuts, seafood, etc.), medications, etc.