Insufficient blood supply to the heart may be caused by myocarditis, coronary heart disease, myocardial bridge and other diseases, patients can take medication, surgery. 1. Myocarditis: Myocarditis is caused by infection, autoimmune and other factors, which will lead to the phenomenon of insufficient blood supply to the heart, and the main symptoms of the patients are weakness, palpitation, chest pain and so on. Patients can follow the doctor’s instructions to use injectable sodium creatine phosphate, coenzyme Q10 injection and other drugs to improve myocardial energy metabolism, but also can take heart transplantation and other surgical treatment. 2. Coronary heart disease: coronary heart disease is caused by coronary artery stenosis or occlusion, the patient will have the performance of insufficient blood supply to the heart, the patient’s main symptoms are palpitations, shortness of breath, panic and so on. Patients can follow the doctor’s instructions oral aspirin tablets, Tegretol tablets and other antiplatelet drugs, but also oral nitroglycerin tablets, isosorbide mononitrate tablets and other antimyocardial ischemic drugs. If necessary, coronary artery bypass grafting, percutaneous coronary intervention and other surgical methods can be taken. 3. Myocardial bridge: myocardial bridge is caused by congenital coronary artery anatomical variations, resulting in patients with insufficient blood supply to the heart phenomenon, the patient’s main manifestations are chest pain, accelerated heart rate, feeling of pressure. Patients can follow the doctor’s instructions to take oral metoprolol tartrate tablets, bisoprolol fumarate tablets and other β-blockers for treatment, but also oral verapamil hydrochloride tablets, diltiazem hydrochloride tablets and other non-dihydropyridine calcium antagonists for treatment. Meanwhile, patients can be treated with surgical procedures such as coronary artery bypass grafting surgery and myocardial bridge release surgery. When patients have symptoms of insufficient blood supply to the heart, they should consult a doctor in time to identify the cause of the disease and follow the doctor’s instructions for treatment.