The invention discloses a valve steel plate element straightener which comprises a pay-off reel, a pinch roll, a straightening mechanism and a cut-off mechanism, wherein the straightening mechanism comprises a straightening barrel which is horizontally arranged, at least one straightening model is arranged in the straightening barrel, the straightening model is horizontally fixed in the straightening barrel by two adjustable jacking bolts symmetrical to each other vertically and has a cylinder structure, the outer sides of two ends of the straightening barrel are provided with rotating shafts with through holes at the center, the rotating shafts are arranged on a support frame, the support frame is fixed on a main frame table, and any of the rotating shafts is connected with the shaft of the motor by a transmission mechanism. The valve steel plate element straightener has the advantages of simple structure, low cost, easy operation, convenient overhauling, no scratch on the surface of wire, high straightening precision, automatic sizing, cutting-off and blanking, high sizing precision, low labor intensity, high efficiency, no balance of straightening steel wires, and high yield.