Abstract: An automated cargo storage apparatus includes a cargo storage part including a plurality of storage spaces arranged in a plurality of layers, each of the layers being divided into the plurality of storage spaces, each occupying a predetermined area on a plane along a rail arranged in a grid structure, a cargo entry/exit part protruding outward from one side of the cargo storage part and having an elevator structure that moves a cargo storage cage vertically through a plurality of support plates that are movable upward or downward in the elevator structure, the cargo storage cage being loaded or unloaded through the cargo entry/exit part, and a control part configured to move a target cargo storage cage to a storage space at a desired (specified) location and control vertical movement of the plurality of support plates within the cargo entry/exit part.