People who undergo heart stent surgery usually suffer from coronary artery sclerosis and narrowing, resulting in insufficient blood supply to the heart and thus “coronary heart disease”. As long as this is understood, it will be easy to understand the precautions to take when talking about post-stenting. For a few days after stenting, avoid excessive activity of the lower extremities if done via the femoral artery, and avoid exertion of the upper extremities to prevent bleeding if done via the radial artery. Clopidogrel should not be discontinued for one year after the procedure to prevent in-stent thrombosis. In addition, other matters that should be noted in patients with coronary artery disease should also be noted. 1. Eliminate or reduce the causes of coronary artery sclerosis and stenosis: (1) Because the causes of stenosis are triglycerides (TG) and cholesterol (TCH) in the blood and some substances in the blood that can easily form deposits in the artery wall, so the diet should be strictly controlled and the intake of fats should be reduced. (2) control blood pressure, blood sugar; (3) maintain a stable mood, avoid sudden excitement; 2, about exercise: (1) recommended in the afternoon exercise, such as the habit of morning exercise, it is recommended to get up early after washing and brushing first drink a glass of warm water (not cold nor hot), 5 minutes before going to the morning exercise, morning exercise is not intense, how to maintain the intensity of the exercise method for: whenever exercise, the heart rate control standard: 180 – age. If you are 60 years old, it should be controlled at 180-60 = 120 times / min or less; (2) when you wake up in the morning, do not immediately get up and out of bed, you should be awake for about 5 minutes before sitting up, then rub your face with both hands and pat your limbs, and then get off the ground; (3) should not engage in some work that makes the mood fluctuate too much; (4) control smoking and alcohol.