Blocked blood vessels can be surgically reopened, for example, when a patient has atherosclerotic coronary heart disease, unstable angina, or in severe cases, acute occlusion of the coronary arteries, the blood vessel can be reopened through stenting surgery. Usually, after blockage of blood vessels due to obvious coronary atherosclerotic plaque, the blood vessels can be recanalized by, for example, balloon catheter angiopuncture and implantation. Patients with severe coronary artery disease or those with significant acute coronary syndrome are indications for revascularization. In addition, if the patient can be relieved of the congestion by the revascularization procedure, but if the patient still does not take care of the medication and control the blood pressure, blood sugar and blood lipids after the procedure, even if the vessel is revascularized, there is still a possibility of restenosis.