The invention relates to a positioning device, in particular to a quick positioning device for cloth cutting. The aim that the quick positioning device for cloth cutting is high in positioning speed is achieved. The quick positioning device for cloth cutting comprises a positioning plate, rotating motors, first bearing bases, first rolling cylinders, first rotating shafts, second bearing bases, fixing plates, pulling wires, winding wheels, first supporting rods, sliding sleeves, lifting rods, contact rolling wheels, connecting rods, positioning drills, sliding rails, sliding blocks, second supporting rods, a third bearing base, a second rotating shaft, a second rolling cylinder, a thumb air cylinder, a first fixed pulley, a second fixed pulley and a spring, and the fixing plates are symmetrically arranged at the left end and the right end of the front side on the positioning plate. By means of the quick positioning device for cloth cutting, the effects of being high in positioning speed, accurate in positioning and easy to operate is achieved.