EASY-CARGO (EC) is an on-board cargo rack that can easily handle, transport cargo by loading and unloading. EC is equipped with supporting rear wheel, rotating shaft loading floor, allows EC to tilt at various angles and flatten at different heights to move cargo by height of truck or cargo. Encountering ladder as transporting goods, adjust auxiliary rear wheel, combine with main wheels to form triangular wheel structure to save effort of going up or downstairs. EC is equipped with central rolling tube, electric tracks on both sides, making it easy and convenient to move goods up and down.