The invention discloses steel plate machining equipment for construction engineering. The steel plate machining equipment for construction engineering comprises a base, a support, a drilling working table, a sundry storing box, a milling cutter, a conveying belt, a first stand column, a transverse beam, a drilling bit, a sliding rod, a supporting frame, a second stand column, a control panel, a rubber layer, a saw cutting working table, a first baffle, a second baffle, a third baffle, a fourth baffle, a blocking strip, a third stand column, a roller, a track, a supporting column, a second roller, a fourth stand column, a grinding wheel, a rack, a travelling gear and rubber pads, wherein the saw cutting working table is arranged on the upper surface of the base; the rubber layer is disposedon the saw cutting working table; the sundry storing box is disposed on the side wall of the base; the first stand column is fixedly connected to the upper end of the sundry storing box; and the transverse beam is fixedly connected to the upper end of the first stand column. The steel plate machining equipment for construction engineering has the beneficial effects that usage is convenient, the space is saved, the defective percentage is low, the cost is reduced, multiple functions are achieved, and steel plates are prevented from being scratched or crushed during machining.