Respiratory disease is a common disease. The main lesions are in the trachea, bronchi, lungs and chest. It is the third most common chronic disease in my country after cardiovascular and diabetes. Due to factors such as air pollution, smoking, and an aging population, morbidity and mortality (the third leading cause of death among residents) remain high all year round. Chronic respiratory diseases are mainly represented by COPD and asthma, and also include pneumoconiosis, lung cancer and tuberculosis. The main manifestations of mild disease are cough, chest pain, and respiratory obstruction. The clinical manifestations of severe disease are dyspnea and hypoxia. In severe cases, death due to respiratory failure.