Elderly people with shortness of breath may be related to asthma, pulmonary embolism, lung infection and coronary artery disease, etc. It is recommended to clarify the cause of the disease and follow the doctor’s instructions to solve the problem through medication (dexamethasone, etc.), surgical treatment (coronary artery bypass grafting, etc.), and oxygen therapy. 1. Asthma: for the elderly with asthma, oral loratadine, terbutaline and other medications can be used to treat the disease, together with nebulized inhalation of dexamethasone, budesonide and other drugs. 2. Pulmonary embolism: Urokinase can be used for thrombolytic therapy, warfarin, low molecular heparin and other drugs can also be used for anticoagulation, if necessary, oxygen therapy. 3. Lung infection: if there is carbon dioxide retention, low-flow oxygen therapy is needed. You can also take antibiotics such as Roxithromycin and Azithromycin to relieve the symptoms. 4. Coronary heart disease: oral aspirin, Rosuvastatin and nitroglycerin can be taken to treat the disease, and surgery such as coronary artery bypass grafting is needed if necessary. It is recommended that the elderly consult a doctor in a timely manner to clarify the cause of the disease, strictly comply with the doctor’s instructions for treatment, not self-medication.