The utility model discloses a device for recycling noble metals from tailing waste liquor, and relates to the technical field of ore floatation. The device comprises a recycling box and a waste liquor collecting box, wherein a waste liquor flow-out valve is arranged on the waste liquor collecting box; a screening rotary plate is arranged below the waste liquor flow-out valve and above the recycling box; a hollow shaft is arranged on the screening rotary plate in a penetrating manner; and two ends of the hollow shaft are lapped on a bracket. The device disclosed by the utility model has the beneficial effects that firstly, noble metals in the tailing waste liquor can be efficiently recycled, so that waste is reduced; secondly, the device can operate without extra power, so that labor power and energy resources are saved; and thirdly, the device is simple in structure and low in maintenance cost, capable of being in butt joint with existing equipment very well, and capable of being directly connected with the tailing flow-out end of a production line.