Heart tightness may be angina pectoris, gastric disease, respiratory disease, etc. Treatment should be given to improve myocardial blood supply, inhibit gastric acid, improve ventilation, etc., to clarify the diagnosis, and then give targeted treatment. 1. Angina pectoris: heart tightness may be angina pectoris, coronary arteries have serious stenosis, the severity of the disease can be assessed by coronary angiography, need to give aspirin, atorvastatin, isosorbide nitrate and other drug therapy. 2. Gastric diseases: gastritis gastric ulcer can also lead to tightness of the heart, may be related to gastric acid on the gastric mucosa stimulation, to give omeprazole to inhibit gastric acid, to protect the gastric mucosa treatment. 3. Respiratory diseases: bronchial asthma or wheezing bronchitis can lead to insufficient ventilation, can also be manifested as symptoms of heart tightness, need to give to improve ventilation of drug treatment, such as aminophylline, dexamethasone and so on. Heart tightness should be clearly diagnosed in the hospital, under the guidance of the physician can be treated, not self-medication.