Medical nebulizer is mainly used to treat a variety of upper and lower respiratory diseases, such as cold, fever, cough, asthma, sore throat, pharyngitis, rhinitis, bronchitis, pneumoconiosis and other diseases occurring in the trachea, bronchus, alveoli and chest cavity. Nebulization inhalation therapy is an important and effective treatment method in the treatment of respiratory diseases. It uses the nebulization inhaler to atomize the liquid medicine into tiny particles, and the drugs are deposited into the respiratory tract and lungs by breathing inhalation, so as to achieve the purpose of painless, rapid and effective treatment.