To provide a punching device capable of efficiently and promptly performing a series of punching work from cutting to punching after setting a raw sheet roll of a soft workpiece wound into a roll shape.

A workpiece delivering means 1 for delivering a workpiece W drawn from a rotatable supported workpiece raw sheet roll W1 by a pair of feed rollers 15 and for cutting it by a cutter part 16 by the required length is provided, a slide table 21 capable of being reciprocated between the work delivering means 1 and a carrying-out part 4 so provided as to face the work delivering means 1 is provided, and a moving means 5 and a punch hole part 3 for adsorbing and holding the upper surface peripheral edge of the workpiece W in the perpendicular direction and capable of being controlled in the X and Y directions are provided. Carrying out of the workpiece is performed by the slide table 21 at the same time when the workpiece W cut into the required length is supplied to the moving means 5 waiting in the intermediate position between the work delivering means and the carrying-out part after the slide table 21 is moved to the carrying-out side.