Abstract: The invention relates to the technical field of paper shredder, in particular to a paper shredder blade with a reinforced structure, which comprises a cutter body in the shape of a sheet, a mounting hole is arranged on the cutter body, a bent cutter tip is shaped on the cutter body, and a cutter tip reinforcing part is shaped on the cutter tip; the invention can improve the non-deformability of the cutter tip by using the bent cutter tip and shaping the cutter tip reinforcing part on the cutter tip so as to shred relatively thick paper or a plurality of papers, thereby saving the production cost greatly.