We have reviewed recent researches associated with the Atlantic Multidecadal Oscillation (AMO) and its influences on East Asian climate. Specifically, we focus on the drivers, index definitions, impacts on East Asian summer and winter climates of the AMO as well as the combined effects of the AMO and other Oceans. Until now, the mechanisms of the AMO are still under debate. The AMO is considered to be caused by the multidecadal Atlantic Meridional Overturning Circulation (AMOC) variability, the external forcings (e.g., aerosols) or the stochastic atmospheric forcing. The positive phase of the AMO can strengthen the East Asian summer monsoon and increase the summer precipitation and temperature over East Asia through three ways, and vice versa. Meanwhile, under the positive AMO phase, the East Asian winter monsoon system is strong and the mid-latitude Eurasian continent and northern China are cold, and vice versa. Given the importance of AMO, further understanding the drivers of AMO and its climatic impacts on East Asian climate is conducive to improving decadal to interdecadal predictions of East Asian climate.