Elderly people with chest tightness and shortness of breath need to improve the electrocardiogram, lung CT and other tests, according to the condition of the doctor to be diuretic to reduce the cardiac load and other treatments. Elderly people with chest tightness and shortness of breath need to focus on cardiac and pulmonary pathologies, such as heart failure, myocardial ischemia, pulmonary infections, asthma, etc. It is recommended to consult a doctor in a timely manner, and complete the electrocardiogram, cardiac ultrasound, lung CT, lung function, blood tests, C-reactive protein, B-type natriuretic peptide, cardiac troponin, cardiac enzymes and other tests according to specific conditions under the direction of a physician. When the basic condition is clear, it can be treated accordingly. For example, heart failure patients should be diuretic to reduce the cardiac load, such as the use of furosemide, spironolactone, myocardial ischemia can be used to improve the coronary blood supply of drugs, such as isosorbide mononitrate, and pulmonary infection can be used to use penicillin and other anti-infective drugs. Symptoms may also be caused by endocrine and neurological disorders. Specific treatment should be determined by the physician according to the patient’s condition.