Chest tightness is a common clinical symptom, relief of chest tightness must be combined with symptomatic treatment of the underlying disease of chest tightness: 1, chest tightness caused by myocardial ischemia in coronary heart disease, mainly to improve the blood supply to the heart, commonly used drugs, such as rapid-acting heart pills, isosorbide mononitrate, metoprolol, diltiazem, etc. 2, chest tightness caused by heart failure, the most important cornerstone to relieve chest tightness 3, chest tightness caused by respiratory diseases, the most common is bronchial asthma to relieve chest tightness, the need to use bronchodilator drugs, commonly used are salbutamol, theophylline extended-release tablets, etc. 4, psychosomatic factors caused by chest tightness, patients are often accompanied by tension, anxiety, lack of sleep and other psychiatric nervous system The symptoms of the mental nervous system, change bad habits, exercise, divert the patient’s attention to help improve.