The utility model discloses a metal armor cabinet transport mobile device comprises four brackets and four pull rods, bracket bottom sets up the universal wheel, and high strong magnet embeddedly on the bottom steel sheet of being connected with the universal wheel is installed to fixedly connected with right angle catching groove on the universal wheel, and at two blocks of side steel sheets, one of them side steel sheet fixedly connected with link plate, link plate are equipped with the recess, and another side steel sheet processing has anticreep string nose, the one end of pull rod is equipped with hangs nose assorted couple with the steel sheet anticreep, and the upper portion of pull rod is for having internal screw thread cavity, and cavity installation lead screw is equipped with the hexagon head in the one end of lead screw, and flat bearing is installed to the medial surface of hexagon head, has the ring channel in flat bearing one side processing, installs the axle in the ring channel and uses the retaining ring. The utility model discloses simple structure easily operates, is applicable to the metal cabinet of all size, and it is swiftly convenient to remove transport metal cabinet, has improved work efficiency.