Polishing piece placing box of pneumatic tool

The utility model relates to the field of polishing tools, in particular to a pneumatic tool polishing piece containing box which comprises a containing box body, sanding paper boxes and a mounting rod, an opening is formed in the side portion of the containing box body, the multiple sanding paper boxes are placed in the containing box body, and limiting through holes are formed in the side walls of the sanding paper boxes in the length direction; the roll-shaped abrasive paper is placed in the limiting through hole, a first drawing groove is formed in the side wall of the abrasive paper box in the width direction, the first drawing groove is communicated with the limiting through hole, and the end of the roll-shaped abrasive paper penetrates out of the first drawing groove; a plurality of mounting rods are arranged, the mounting rods and the sanding paper boxes are sequentially arranged at intervals, one ends of the mounting rods are fixedly connected with the bottom wall of the placing box body, the other e