The myocardium at the site of myocardial infarction is already necrotic and difficult to repair. Currently, the treatment mainly focuses on the following aspects: 1. reconstruction of the infarct-related vessels, that is, stenting, 2. stenting of other stenotic vessels to improve ischemia in other areas, which is determined by the imaging results. 3, drug treatment: such as aspirin, etc., generally cardiovascular physicians know. 4.If the infarct area is large, you can come to our hospital for stem cell treatment.