Verticality processing auxiliary device

The utility model discloses a verticality processing auxiliary device, which comprises a base, wherein the base is provided with at least one pair of baffles, a hold-down mechanism is arranged between the baffles, and a working space used for holding work pieces is formed between the baffles and the hold-down mechanism. According to the utility model, the pressing force in a vertical direction is converted to the pressing force in a horizontal direction, so that technical requirements for processing the work pieces are ensured; a pressure plate can slide on a chute, so that the work pieces in different widths can be processed through changing a slide distance; a screw is connected with the chute through a nut so as to be convenient for assembly and disassembly; after the work pieces are laterally fastened and located, an upper plane and a hole are processed in different steps, and verticality requirements of the plane and the hole are ensured.