After coronary heart stent implantation, you need to take antiplatelet aggregation drugs such as aspirin enteric-coated tablets for a long time; statins such as Rosuvastatin; β-blockers such as metoprolol tablets; angiotensin-converting enzyme inhibitors or angiotensin II receptor blockers such as enalapril tablets, irbesartan tablets and so on. 1. Antiplatelet aggregation drugs. These drugs help to dilute the blood and anti-platelet aggregation and prevent blood clots, cardiac stent implantation must be taken within one year after the double antagonist: aspirin enteric-coated tablets, clopidogrel tablets, after one year if there is no special review can be changed to take one of them orally. 2. Statins. Medications can help lower cholesterol and reduce plaque buildup in the arteries. The more common drugs are Rosuvastatin and Atorvastatin. 3. Beta blockers. These drugs can slow the heart rate and also lower blood pressure, reducing the risk of future seizures. Common drugs are such as metoprolol tablets. 4. Angiotensin converting enzyme inhibitors or angiotensin II receptor blockers. These drugs can lower blood pressure and help prevent the progression of coronary artery disease. Such as enalapril tablets, irbesartan tablets, etc.. All of the above drugs are long-term medication after coronary stent implantation, if the patient also combined with chest tightness, chest pain and other symptoms can be added under the guidance of the clinician to improve the rest of the myocardial ischemia drugs, such as nitroglycerin, trimetazidine and so on.