The utility model discloses a novel rolling grizzly screen, comprising a motor and a screen stencil which are combined-connected; the screen stencil is a quasi-cylinder with an end closed, and the screen stencil is provided with at least three retainer rings for coarse particles; the motor is arranged on the central shaft of the retainer ring; the port diameter of the screen stencil is greater than the base diameter of the screen stencil; the bottom surface of the screen stencil forms an angle of at least 10 degrees with the horizontal plane; the low end of the screen stencil is provided witha discharge device; the under-part of the screen stencil is provided with a conveyer belt for powder; the discharge opening for powder of the discharge device is corresponding to the conveyer belt. The utility model adopts a tumbling-type screen stencil and overcomes the defefts of the prior art that the meshes of the screen stencil are often jammed; the amount of the reclaimed coarse particles is big, and the powder to downstream bins is uneven; the utility model has the advantages that the labor capacity is improved; all the operations are accomplished by machines; manual cleanings are not necessary for coarse particles; the labor intensity of the workers is reduced; the environmental protection need of the present society is suited, the production for the ceramic is increased by about 25%; the service life of the screen stencil is prolonged by about 60%; the cost is reduced, and about 120 thousand yuan of the maintenance charge is saved every year.