The present invention discloses one kind of nailing gun box structure capable of aligning rivets of different sizes. The nailing gun box structure includes one nailing gun and one nail box, the nailing gun has one slot on one side, and the nail box can slide inside the slot. The nail box is provided with one rivet guiding unit, one first nail pushing tab and one second nail pushing tab on the sides. The first nail pushing tab has one rivet guiding part in the tip to push the rivet to one side of the second rivet pushing tab, and the nail guiding part is suitable for pushing nail of different sizes into the nail slot stably. |