After the stent is installed in patients with coronary heart disease, they can be discharged from the hospital in 3-5 days if there is no complication and no discomfort. Coronary heart disease is due to coronary artery atherosclerosis caused by the narrowing of blood vessels, the emergence of clinical chest pain, chest tightness as the main manifestations of chronic diseases, coronary heart disease treatment is mainly a healthy lifestyle, oral drug therapy, mainly including antiplatelet aggregation of drugs, regulating blood lipids medication, nutrients to the myocardium of the drug, vasodilator drugs and so on. When the coronary artery stenosis to a certain degree or the occurrence of acute myocardial infarction, the need for intervention to give stent implantation, stent implantation needs to be continued after anti-platelet, lipid regulation and other treatments. If there is no discomfort, you can be discharged from the hospital in 3-5 days after the operation, and you need to continue to take the standardized medication under the guidance of the doctor after discharge.