Some patients with coronary heart disease may have a significant drop in blood pressure after exercise. When the patient exercise cardiomyocytes need to consume a lot of oxygen, due to coronary heart disease patients with coronary artery stenosis or blockage, so it may lead to patients with myocardial ischemia ischemia and hypoxia, and may even aggravate the cardiac insufficiency as well as cardiogenic shock, so that the blood pressure dropped significantly. In general, normal people after exercise, blood pressure will generally rise, because exercise will make the patient’s sympathetic nerve excitation, the brain secretes a large number of catecholamines, so that the blood pressure rises. But for patients with coronary heart disease, excessive exercise may aggravate the condition. Therefore, it is recommended that patients with coronary heart disease should pay more attention to rest, do not overwork and do not exercise strenuously.