The invention discloses a novel center fishtail cutter for a tube push bench. The novel center fishtail cutter for the tube push bench comprises a cutter body, an alloy tool apron, hard alloys and a wear-resisting layer, a groove is formed in a joint part of the cutter body and a cutterhead, a groove body used for installing the alloy tool apron is arranged on the upper part of the groove, the alloy tool apron is connected with the cutter body in a welding mode, and alloy installing grooves are formed in the two sides of the alloy tool apron; and the hard alloys are connected with the alloy tool apron in a silver brazing mode and distributed on the left side and the right side of the alloy tool apron, blades of the hard alloys face a cut soil facing surface of the cutter along rotation tracks, and the alloy tool apron on the back parts of the hard alloys is used for supporting the stress direction. According to the novel center fishtail cutter for the tube push bench, the purpose of removing cut blind areas is realized by controlling the track distribution of the blades of the hard alloys, the blades of the hard alloys are distributed on the two sides of the cutter body in a left and right mode, and interference between the adjacent blades of the hard alloys is avoided, so that non-blind area cutting is realized and mutual noninterference between the adjacent track blades is realized.