Paper trimming device of paper cutter

The utility model relates to the technical field of paper cutting machines, and discloses a paper cutting machine paper arranging device which comprises a bottom plate and an arranging box located on the bottom plate, the bottom plate is fixedly connected with the arranging box, a paper inlet is formed in the position, corresponding to the paper cutting machine, of the arranging box, an arranging device is arranged in the arranging box, and a driving device is arranged above the arranging box. The sorting device comprises two sorting side plates, the two sorting side plates are located in the sorting box and are symmetrical to the paper inlet in the same direction, connecting shafts are arranged on the side wall faces, close to the sorting box, of the sorting side plates, and the sorting side plates are movably connected with the sorting box through the connecting shafts. According to the paper sorting device, the driving device drives the sorting device to be used, it is guaranteed that the position of paper