1, patients with chronic obstructive pulmonary disease (COPD) often have no obvious discomfort in the early stage of disease onset, and when they seek medical treatment due to shortness of breath, the disease has often progressed to moderate or above. If there is a history of exposure to risk factors such as chronic coughing and coughing up sputum, and smoking, even if there is no difficulty in breathing, a pulmonary function test is also necessary. 2. Smoking cessation is considered to be the most important measure to slow down the decline of lung function, and it is strongly recommended that patients with chronic obstructive pulmonary disease (COPD) who are smokers should quit smoking and mobilize their relatives and co-workers to quit smoking and avoid passive smoking. 3, inhalation bronchodilator or glucocorticoid is the first choice of treatment for patients with chronic obstructive pulmonary disease, inhalation therapy has similar effect with intravenous drugs, faster than oral, adverse effects are lower than systemic and non-addictive, because chronic obstructive pulmonary disease like hypertension and diabetes mellitus is a chronic progressive disease, need to adhere to the use of drugs in order to achieve stable results. 4.Prevent cold and flu, prevent acute exacerbation. Combine work and rest in normal times, strengthen exercise, and enhance resistance. Pay attention to preventing cold and keeping warm when the temperature changes. Pay attention to personal hygiene, gargle and brush your teeth after meals. Ventilate the room often and wash and dry bedding and pillows frequently. When colds are prevalent, avoid participating in group activities to minimize the chance of infection. For those who are old and weak and have repeated acute exacerbations of the disease, it is recommended to take influenza vaccine once a year or pneumococcal vaccine once every five years. 5.Strengthen nutrition, eat more high-protein diet, do not favoritism. 6, Deep and slow lip-contracting abdominal whistle, 20~45 minutes each time, more than 2~3 times a day, it is best to cooperate with the whistle gymnastics, whistle load exercise or qigong and other whole body exercise. 7.Oxygen therapy should be given to patients with chronic obstructive pulmonary hypoxia. If accompanied by elevated carbon dioxide, continuous low-flow oxygen inhalation of about 1~2 liters/min is recommended for more than 10-15 hours a day.