The invention relates to an oil-removing and grease-removing device, in particular to an environmentally-friendly oil-removing and grease-removing device for hardware manufacturing. The technical problem which the invention needs to solve is to provide the environmentally-friendly oil-removing and grease-removing device for hardware manufacturing with high oil-removing and grease-removing efficiency. In order to solve the technical problem, the environmentally-friendly oil-removing and grease-removing device for hardware manufacturing comprises a first rotating shaft, a first rotary motor, a cleaning box, a second rotary motor, a brush, a filter screen, a second rotating shaft, a first bevel gear, a second bevel gear, a reel, a second sliding block, a first gear, a supporting rod, a first bearing pedestal, a third rotating shaft, a bracing wire, a first sliding rail, a first sliding block, a fourth rotating shaft, a bottom plate, a collecting frame, a bracket, a second bearing pedestal, a rack, a second sliding rail, a spring, a third rotary motor, a first fixed pulley, a second fixed pulley and a third bearing pedestal, wherein the bracket is arranged on the top of the bottom plate. The environmentally-friendly oil-removing and grease-removing device for hardware manufacturing provided by the invention achieves the effect of high oil-removing and grease-removing efficiency.