Whether cardiovascular or cerebrovascular, after implantation of stents, it is necessary to quit smoking and alcohol, low-salt and low-fat diets, strict control of blood pressure, blood sugar, and monitoring of blood lipid control to meet the standards, or else there is a higher risk of blood vessel re-stenosis. Already implanted stents, such patients themselves belong to the cardiovascular and cerebrovascular disease very high risk group, whether implanted stents, or cardiac vascular bypass, does not mean that the disease is cured, need to pay attention to a healthy lifestyle to reduce the risk of cardiovascular and cerebrovascular events. Smoking is a clear risk factor. If you still smoke after stenting, it will easily lead to endothelial damage, inflammatory damage, lipid plaque deposition, and lead to stenosis, so after stenting, you must quit smoking. And regular outpatient review, strict control of blood glucose, blood lipid and blood pressure.