The purpose of postoperative medication is mainly to prevent restenosis, the main drugs: 1. Anti-platelet drugs, aspirin 300 mg once a day, changed to 100 mg once a day after one month, long-term oral. Poliovel 75 mg for at least 1 year for drug stent and 6 months for bare stent. 2, statin lipid-regulating drugs, generally commonly used Lipitor, Prasugol, Sulforaphane, etc.. Even if the cholesterol is normal, it should be taken. This drug has proven to be positive in preventing restenosis and new coronary stenosis. It should be used for at least 6 months – 1 year. My humble opinion is to take it for a long time. 3, being he receptor blockers, such as betalactam, canco, etc., if there is no contraindication, it is recommended to be taken for a long time. 4, hypertension and diabetes patients long-term use of antihypertensive drugs and hypoglycemic drugs. Effectively control blood pressure and blood sugar within the normal range.