Atherosclerosis(AS)is a chronic inflammatory disease.Endothelial cell injury,low-density lipoprotein deposition,inflammatory cell aggregation,neovascularization and calcification can promote the progression of AS and lead to acute cerebrovascular diseases such as ischemic stroke.It brings pain and burden to patients,families and society.Early detection and timely intervention of AS through relevant imaging and molecular biology methods is very important.This article mainly reviews the pathogenesis,early diagnosis and treatment of AS,in order to provide reference for the clinical diagnosis and treatment of AS.