The utility model relates to a new woodworking tenon making cutter which is a matched tenon making cutting tool of the wood working machinery. The structure of the utility model is simple; an original tenon can be formed in one piece; dovetails and various tenons can be processed by using different cutting tools; the utility model can be used for slotting and can be used and repaired convenientl. The new woodworking tenon making cutter is composed of the tenon making cutter, a tenon making cutter holder and screws, wherein, the tenon making cutter holder is provided with a rotary shaft hole and a groove or a cross section for mounting the tenon making cutter, the tenon making cutter is placed in the groove or on the cross section and is fastened by the screws or the screws and a press plate. The press plate or the tenon making cutter and the tenon making cutter holder are provided with threaded holes. One surface or the cross section of the tenon making cutter is arranged in the groove to respectively form an obtuse angle and an acute angle with both sides of the tenon making cutter holder.