Heart bypass surgery involves opening the chest. Heart bypass is a coronary artery bypass graft procedure that requires an incision in the middle of the front chest. Coronary artery bypass grafting can be divided into saphenous vein bypass grafting and internal mammary artery bypass grafting, depending on the bridge vessel selected. It is a common surgical procedure used clinically for the treatment of coronary artery disease. Since coronary artery bypass graft surgery requires open heart treatment, it is generally more traumatic than interventional surgery. Be sure to follow your doctor’s instructions, pay attention to postoperative recovery, and take the correct anticoagulant medications, such as clopidogrel and aspirin, to prevent postoperative blood clots. Regularly follow up with electrocardiogram, echocardiogram, and monitoring of blood pressure. If there is oozing from the incision after surgery, inform your doctor promptly. Specific treatment can be consulted with specialized physicians.