Cup brush

The utility model discloses a cup brush, including handle, lid, bent axle, fixed strip, drum, brush hair, chassis, round hole and rib, the handle cover is on the bent axle, and handle and bent axle transition fit, bent axle run through the lid, and the bent axle runs through the drum, and the bent axle bonds together with the drum, and the fixed strip card is in the recess of drum, and round hole and drum bolted connection are passed through to the chassis, and the rib welds on the chassis, is provided with the brush hair on the rib. After using for a long time, the brush hair damages, can pull down the replacing portion brush hair, and need not change whole brush. When wasing the cup, can easily hand the rotatory brush of handle drawing circle and wipe out the interior dirt of cup off.