Heart failure is a major cause of death throughout the world, heart transplant is the effective treatment of end-stage heart failure at present, yet because of serious shortage of donor organs and other reasons, the application of this therapy is limited. In recent years, mechanical circulatory support (MCS) develops rapidly, including aortic balloon counterpulsation, ventricular assist device(VAD)and total artificial heart (TAH). Now we review on the classification, recent developments, current problems and developmental trends of MSC.