Insufficient blood supply to the heart may be caused by coronary heart disease, anemia, myocardial bridge and other diseases, the patient can take the doctor’s advice to take nitroglycerin, metoprolol and other medications, if necessary, surgical treatment and other ways to solve. 1. Coronary heart disease: coronary heart disease will lead to the phenomenon of insufficient blood supply to the heart, patients can follow the doctor’s instructions to take oral nitroglycerin tablets, isosorbide nitrate tablets and other nitrate drugs, but also oral metoprolol tartrate tablets, bisoprolol fumarate tablets, and other β-receptor blockers. Patients with coronary artery disease can also take surgical treatment, mainly percutaneous coronary intervention, coronary artery bypass grafting and other surgical methods. 2. Anemia: For insufficient blood supply to the heart caused by anemia, patients can take oral iron supplements such as iron dextrose tablets and ferrous gluconate tablets as prescribed by the doctor, and they can also be injected with immune preparations such as cyclosporine injection and cyclophosphamide injection. Patients can also undergo surgical treatment, mainly taking allogeneic hematopoietic stem cell transplantation, splenectomy and other surgical methods. 3. Myocardial bridge: myocardial bridge can also lead to the phenomenon of insufficient blood supply to the heart, and patients can follow the doctor’s instructions to take oral bisoprolol fumarate tablets, propranolol tablets and other β-blockers, and also oral verapamil tablets, diltiazem hydrochloride tablets and other dihydropyridine calcium antagonists. Patients may also be treated with surgical procedures such as interventional therapy, coronary artery bypass surgery, myocardial bridge release, and other surgical procedures. When patients experience symptoms of insufficient blood supply to the heart, it may also be caused by other diseases such as hyperthyroidism and pericarditis. Patients should seek prompt medical attention and follow the doctor’s instructions.