Abstract: Provided is a multi-purpose shading device with a multi-stage collapsible blind part, in which the blind part is rotatably configured so as to function as a shutter and an advertising board when it is rotated downwardly and to function as a signboard when it is rotated upwardly. The multi-purpose shading device including a blind part which is provide with a plurality of blind plates and formed into a multi-stage type so that a rear side blind plate is guided to a fore-end side blind plate so as to be extended or collapsed along the fore-end side blind part; a driving part which extends or collapse the blind part; a rotational part which rotates the blind part; and a control part which controls the driving part and rotational part.