If the elderly feel tired spontaneously: 1, to consider cardiogenic diseases, such as coronary heart disease, unstable angina, arrhythmia, for chronic heart rate failure caused by various factors, there will also be chest tightness, shortness of breath, previous area weakness, the clinical situation of feeling tired spontaneously; 2, for respiratory system diseases, in chronic pulmonary insufficiency, such as long-term chronic bronchiectasis, chronic obstructive pulmonary emphysema, pulmonary artery 2, for respiratory system diseases, in chronic pulmonary insufficiency, such as long-term chronic bronchiectasis, chronic obstructive pulmonary emphysema, pulmonary artery hypertension, pulmonary heart disease and other factors, causing a decrease in arterial oxygen saturation, oxygen partial pressure is too low, there will also be elderly people feel tired heart; 3, for patients with plant nerve dysfunction, in the cardiac neurosis will also have the precordial region conscious chest tightness, shortness of breath, tired heart; 4, endocrine metabolic diseases, such as thyroid insufficiency, adrenal insufficiency, elderly people will also have the symptoms of tired heart.