After coronary artery bypass surgery, patients often need to continue to take vasodilators, such as nitrates, calcium antagonists, beta-blockers, such as amiloride, metoprolol, anticoagulants, such as aspirin, Bolivar, digitalis, such as digoxin, and so on, depending on their condition. Diuretic drugs: such as tachyphylaxis, etc. You should take your medication on time and in quantity as prescribed by your doctor, you should not stop taking your medication at will, and you should pay attention to the side effects of the medication when you take it. If the pain attack lasts longer than 30 min and the effect of the medication is not good, the occurrence of myocardial infarction should be considered and the nearest doctor should be consulted quickly so as not to delay the treatment and rescue time. If other diseases such as hyperlipidemia or hypertension are combined, it is necessary to take lipid-lowering and blood sugar-lowering drugs according to the doctor’s instruction in order to control the development of related diseases and ensure the full recovery after coronary artery bypass grafting.