Respiratory diseases include: asthma, bronchitis, bronchitis, chronic obstructive pulmonary disease, cor pulmonale, tuberculosis, etc. (excluding lung cancer), accounting for the fourth (13.1%) cause of death in urban areas and the third in rural areas bit (16.4%). Due to factors such as air pollution, smoking, physical and chemical factors, biological factors, and population aging caused by the development of industrial economy, the incidence of respiratory diseases has increased significantly in recent years, and chronic obstructive pulmonary disease has remained high (among people over 40 years old). more than 8%). Commonly used drugs include: 1. Antibiotics: penicillins, cephalosporins, quinolones, macrolides, etc.; 2. Antiasthmatic drugs: compound chlorprenaline bromhexine capsules, etc.; 3. expectorant drugs: bromine Jixin, etc.; 4. Antitussive drugs; 5. Hormonal drugs; 6. Anti-tuberculosis drugs: isoniazid, etc.