COPD is a chronic lung disease characterized by incomplete reversible airflow limitation, which is progressive in nature and is related to the abnormal inflammatory response of the lungs to harmful gases and particles, etc. COPD treatment is as follows: 1, stable phase treatment: improve the body’s immunity and resistance to disease, such as quitting smoking, avoiding high-risk factors, including dust, toxic and harmful gas particles, etc.; lung rehabilitation therapy; long-term home oxygen therapy; preventive medication, such as bronchodilator tiotropium bromide; immunotherapy, elderly chronic obstructive pulmonary can be injected pneumonia vaccine; 2, acute exacerbation treatment: according to the severity of the disease to decide to outpatient or inpatient treatment; the use of bronchodilators, such as salbutamol, isoproterenol, aminophylline class; oxygen therapy, low-flow oxygen; antibiotics, according to the pathogenic bacteria drug sensitivity test to select sensitive Glucocorticosteroids can be considered for short-term use in the acute stage; in severe cases of respiratory failure, consider non-invasive or invasive ventilator therapy.