To easily and safely perform handling of remaining materials and plate materials for products in sheet machining works or the like.

This handling device of the plate-shaped body is provided with: an installing means 2 of the plate-shaped body which is constituted so that the plate-shaped body can be placed in the approximately horizontal position and the plate-shaped body can be held in an oblique or the nearly vertical position; a displacing means for displacing the installing means 2 in the approximately horizontal position, the oblique position and the nearly vertical position; and a moving means 18 for moving the device.