Chronic Obstructive Pulmonary Disease is referred to as chronic obstructive pulmonary disease. When combined with pneumonia, it is mainly treated by anti-infection, cough and phlegm, anti-inflammation, asthma, oxygen therapy and other methods. 1. Anti-infection: anti-infection drugs can be given under the guidance of the doctor, such as amoxicillin clavulanate potassium tablets, levofloxacin tablets, etc. When the effect is poor, according to the drug sensitivity test, choose the appropriate antibiotic treatment or intravenous infusion treatment. 2. Cough and phlegm: Commonly used cough and phlegm medicines include compound aminobromine capsule, compound licorice combination, etc. When the phlegm is more viscous, nebulized inhalation or sputum suction treatment can be considered. 3. Anti-inflammatory: severe cases can be combined with hormone anti-inflammatory, commonly used drugs are dexamethasone, methylprednisolone and so on. 4. Asthma: chronic obstructive pulmonary disease is often accompanied by wheezing and other symptoms, can be applied to asthma medication, such as doxophylline, aminophylline, dihydroxypropyl theophylline and so on. 5. Oxygen therapy: When patients suffer from hypoxemia, dyspnea and wheezing, oxygen therapy can be considered to improve the symptoms of lung hypoxia. Severe cases need ventilator supportive therapy. Usually strengthen nutrition, avoid cold, quit smoking, preventive injection of pneumonia vaccine, avoid going to crowded places. Specific medications should be administered under medical supervision.