The invention discloses a barley rice processing device comprising a base and a fixing board. The base is located below the fixing board; a drying box is arranged at the upper end of the base; a mounting frame is arranged on the side wall of the drying box; a driving motor is arranged at the upper end of the mounting frame; a first groove is formed in the inner wall of the drying box; a rotating plate is arranged in the first groove; an output shaft of the driving motor penetrates through the side wall of the drying box and extends into the first groove; the tail end of the output shaft of the driving motor is fixedly connected to the side wall of the rotating plate; a plurality of device cavities are annularly formed in the side wall of the end, away from the driving motor, of the rotating plate, and fixing pieces are arranged on the inner walls of the multiple device cavities correspondingly; and sliding grooves are formed in the side walls of the fixing pieces, and first racks are arranged in the sliding grooves. The structural design is reasonable, operation is easy, using of labor force is reduced, and the working efficiency is greatly improved.