The utility model discloses equipment for washing starch. The equipment comprises a recycling device, wherein the recycling device consists of multi-stage tandem cyclones, an overflow pipe of the first-stage cyclone in the washing device is communicated with the inlet of the recycling device, starch liquid in a raw material tank is pumped out by a feed pump and then enters the washing device by virtue of a sand remover and a filter, and finally washed starch milk is discharged from a bottom pipe of the last-stage cyclone in the washing device; recycled liquid flows into the recycling device from the overflow pipe of the first-stage cyclone in the washing device, and is subjected to step-by-step washing by the recycling device, final waste liquid is discharged from the overflow pipe of the last-stage cyclone in the recycling device, and the recycled liquid discharged from the bottom pipe of each cyclone in the recycling device is returned to the washing device to be washed again. According to the equipment disclosed by the utility model, the recycling device is additionally arranged in the equipment, the waste liquid discharged from the overflow pipe of the cyclone in the washing device is treated by virtue of the recycling device, the treated starch milk is returned again for washing, and the residual waste liquid is discharged from the recycling device.