A device for the recycling of canteen dishware is developed. The device consists of a mechanical system and a control system. The mechanical system includes three parts: a conveyor for dishware, a rotating electromagnetic manipulator and a processor. Wherein, the conveyor for dishware is used as a substitute for cutlery collecting vehicle and transmits dishware to the processor; the rotating electromagnetic manipulator achieves to transfer dishware from the conveyor for dishware to the processor, and meanwhile pours the residue in dishware; lastly the processor classifies and collects dishware. The entire device achieves to replace the human collecting, a cleaning and sorting of different types of stainless steel cutlery in canteen, which is practical and economical.