To provide a multi-stage loading truck capable of saving labor in carrying work by a simple structure, and a truck braking device.

The multi-stage loading truck 1 comprises a chassis 2 that can travel by being pushed by hands of a salesclerk and the like, a supporting element 4 on which a plurality of box elements 3 having same height is vertically stacked, a plurality of guide poles 5 rising from the chassis 2 and guiding the supporting element 4 so as to freely ascend/descend, and an elastic element 7 pushing up the supporting element 4 to an upper limit 6 of the plurality of the guide poles 5. In proportion to a load of the box element 3 in which pachinko balls are thrown, the supporting element 4 descends by the height of the box element 3 against the elastic element 7. The truck braking device 100 is loaded on the multi-stage loading truck 1.