A press punching device has a reinforcing plate. The press punching device includes: a punching jig configured such that a plurality of punching needles having respective through holes are coupled thereto; a reinforcing plate formed at the bottom end of the punching jig, and configured to support the punching jig; a support block formed at the bottom end of the reinforcing plate, and configured to support the reinforcing plate; a base plate formed at the bottom end of the support block, and configured to be movable in a lateral straight line; and one or more rollers configured to press a base material seated on the punching jig.