1, is the current treatment of chronic airway inflammation effective drugs, can be used for bronchial asthma, chronic cough, mycoplasma pneumonia, acute laryngitis, premature infants with pulmonary dysplasia and other disease prevention and treatment; 2, can be used as the main treatment in the hospital to relieve acute attacks, but also for long-term control treatment at home; 3, precautions: when using the mask inhalation drugs, wash your face after inhalation, rinse your mouth can reduce oropharyngeal Candida 4, budesonide is a local drug, long-term use will not affect the development of children’s height, high safety; 5, dosage: adults: once 1 ~ 2mg, twice a day. Children: 0.5~1mg once, twice a day. Patients with uncontrolled asthma should be treated under the guidance of a specialist.