Based on the field investigation and sample analyses, three glaciations on the eastern side of the Geladandong Peak since middle Pleistocene have been recognized. Their scales, types are mainly discussed as follows: (1) the glacial characteristics of the last Glacial maximum dated back to 18010± 386 a B.P., was of monsoonal continent type. The glacier terminal reached 5 120 m a.s.l., The snow line elevation was about 5 533 m a.s.l.; (2) the glacier of the penultimate glaciation was of transition features be...