First arrange the paper to be cut and place it on the operation table, push the pusher to the starting position as required, and then bring the finished paper close to the pusher; then press the press to the finished paper Record the pressed data; then press the paper cutter to cut as required; lift the paper press, adjust the direction of the paper, bring the cut part close to the pusher, and advance according to the required size to record the data; Then lower the paper presser and cut it with a paper cutter; according to these steps and data, computer programming can be performed, which can be raised and lowered several degrees as required.