DELIVERY ROBOT AND DELIVERY METHOD USING THE SAME

A delivery robot includes a moving body; an upper body on an upper surface of the moving body; a plurality of drawers vertically stacked at one side of the upper body; a drawer locking device configured to collectively lock each of the plurality of drawers and selectively unlock any one drawer of the plurality of drawers while keeping locked other drawers of the plurality of drawers; and a processor configured to control the moving body and the drawer locking device.