Elderly people walking shortness of breath is related to ageing, fast walking and other physiological factors, but also considered related to pneumonia, emphysema, chronic obstructive pulmonary disease and so on. 1. Physiological factors: with age, the body’s metabolic ability, exercise decreased, so the elderly will appear walking asthma phenomenon. Some elderly people may also experience shortness of breath when they walk quickly or are overworked. 2. Pneumonia: Diseases with bacteria, viruses and other pathogens, smoking, impaired immune function are triggering factors. When the old man suffers from pneumonia, it can be manifested as walking, shortness of breath, fever, body fatigue, loss of appetite, coughing, coughing up sputum and so on. 3. Emphysema: the disease is related to bronchial obstructive ventilation dysfunction, imbalance of elastase and its inhibitors. Typical symptoms include exertional shortness of breath, dyspnea, chest tightness, shortness of breath, and shortness of breath when walking in the elderly. 4. Chronic Obstructive Pulmonary Disease (COPD): The disease is related to heredity, aging and smoking. Some of the elderly patients will walk shortness of breath, but also easily accompanied by chronic cough, sputum, dyspnea, shortness of breath, chest tightness, wheezing and other symptoms. Elderly people with shortness of breath are advised to consult a doctor as soon as possible in order to find out whether the disease is the cause of their shortness of breath. If diagnosed with the disease, they should actively cooperate with the doctor’s treatment to relieve the discomfort.