Provided is a stacking device that stacks shaped steel with small-scale equipment using a transporting means with a simple structure. This shaped steel stacking device comprises: a stacking platform (1) on which stacked shaped steel (4) is loaded; a transporting platform (2) that has a plurality of loading faces (5, 6) on which the shaped steel (4) to be transported to the stacking platform (1) is loaded; and a pushing means (3) that pushes the shaped steel (4) loaded on the transporting platform (2) out toward the stacking platform. The transporting platform (2) comprises a first loading face (5) having a flat portion and a second loading face (6) having a flat portion (7) and an inclined portion (8). The inclined portion (8) is formed on a side facing the stacking platform (1), and the first and second loading faces (5, 6) can be selected according to the order the shaped steel (4) is pushed out.