Atherosclerosis is the pathological basis of a variety of cardiovascular diseases.Besides lipid deposition in arterial intima,smooth muscle cell proliferation and foam cell formation,chronic inflammatory factor is also involved in its occurrence.MiR-155 and angiopoietin-like protein 2 participate in the development and progress of atherosclerosis by regulating the function of macrophages as well as the proliferation and migration of vascular smooth muscle cells.This paper reviews the research progress of th...