The utility model discloses rice hull crushing processing equipment. The device comprises a screening box, a transfer box, a crushing box and a transportation box, a driving motor is arranged on the left side wall of the screening box; a rotating shaft is arranged on the right side of the driving motor; stirring blades are arranged on the outer wall of the right end of the rotating shaft; flying pieces are arranged on the stirring blades; a U-shaped pipe, an air outlet and an air extractor are arranged at the top of the transfer box; a material suction opening is formed in the left end of theU-shaped pipe; a filter screen is arranged at the bottom of the air outlet; a discharge pipe is arranged at the bottom of the transfer box; an electromagnetic valve is arranged on the discharge pipe;a crushing roller is arranged in an inner cavity of the crushing box; a first discharge hole is formed in the bottom of the crushing box; according to the rice hull crushing device, according to the fact that the density of rice hulls is smaller than the density of broken stones and small iron blocks, the rice hulls are separated from the broken stones and the small iron blocks through the air exhauster, the content of impurities in the crushed rice hulls is reduced, and the product quality is improved.