Acute myocardial infarction(AMI)is a cardiovascular disease.percutaneous coronary intervention(PCI)is an effective treatment method,and its prognosis assessment is important.Imaging techniques can provide a reliable basis for the further diagnosis and treatment plan of patients with AMI.This article aims to retrospect and analysis the research status and progress of computed tomography(CT),magnetic resonance imaging(MRI)and ultrasound(US)in evaluating the prognosis of PCI in patients with AMI.