The invention provides a high-efficiency cleaning device for mechanical processing, which includes a moving base, and is characterized in that a dust removal box is connected above the moving base through a movable clamping device, and a rotating illuminating lamp is arranged inside the dust removal box. An operating table is placed at the bottom of the box; a box door is provided on the front side of the dust removal box, which can be stretched into the invisible cavity on the mobile base through a pulley angle adjuster; dust suction is installed on the top and both sides of the dust removal box. suction device and electromagnetic adsorption device, wherein the dust suction device includes a viscose device, a horn dust suction filter cover, a dust suction pipe, a V-shaped flip dust box and a motor, and the electromagnetic adsorption device includes a suction shell, an electromagnet , output pipe, filter cover, magnetic block. The positive effects of the invention are: simple structure, convenient operation, time-saving and labor-saving, can effectively absorb iron filings, dust, wool chips, etc. generated during mechanical processing, and effectively protect the environment and sanitation of the production workshop.