Insufficient blood supply to the heart may appear chest tightness, chest pain, panic and other uncomfortable symptoms, you can take medication under the guidance of a doctor to improve, but also pay attention to diet and work and rest. 1. Drugs: Insufficient blood supply to the heart can be prescribed to take metoprolol to reduce myocardial oxygen consumption, aspirin to prevent platelet aggregation, isosorbide mononitrate to increase coronary blood flow, atorvastatin to stabilize the plaque and regulate lipids and so on. 2. Diet: easy-to-digest, light and nutritious food should be chosen, avoiding spicy and stimulating food, eating less greasy food, controlling the blood lipid level and slowing down the progress of atherosclerosis. 3. Work and rest: should develop good habits of work and rest, avoid staying up late and working hard, if stay up late for a long time may aggravate the insufficiency of blood supply to the heart, and then cause myocardial ischemia and hypoxia necrosis. It is recommended that patients standardize the use of medication under the guidance of a doctor, do not blindly use their own medication.