Abstract:In recent years, the incidence of type 2 diabetes mellitus(T2DM) has been increasing year by year in China, and its risk of cardiovascular disease is very high, which is one of the serious complications, early detection of abnormal cardiac function and effective intervention can delay or avoid theoccurrence of dangerous events. Echocardiography is simple,non-invasive,inexpensive,rapid and accurate,it can provide a powerful basis for the diagnosis and treatment of diabetes mellitus. To explore the research progress of its application in T2DM, we madea systematic review.