The invention relates to a treatment device, in particular to a device for efficiently treating a waste mosaic tile. The invention aims at solving the technical problem of providing an efficient waste mosaic tile treatment device with high treatment efficiency. For solving the technical problem, the efficient waste mosaic tile treatment device provided by the invention comprises a second sliding rail, a second sliding block, a pressing block, a placing table, a second spring, a guide plate, a water pump, a water tank, a first spring, a fixed stopping block, a contact roller, a wire winding wheel, a gear, a lifting rod, a hose, a second fixed pulley, a first fixed pulley, a stay wire, a supporting rod, a first sliding block, a rack, a first sliding rail, a wedge block, an electric push rod and a treatment box, wherein the second sliding rail is arranged in the placing table. The efficient waste mosaic tile treatment device provided by the invention achieves the effects of high treatment efficiency, saving both time and labour and saving resources, the electric push rod is started to be elongated and shortened, and the treatment box is driven to move left and right while the pressing block is driven to move up and down.