The utility model relates to the field of printed circuit board manufacturing tools and especially discloses an auxiliary printed circuit board manufacturing tool. The tool comprises a rectangular frame. The inner sides of the frame are provided with fixing edges recessed downwards. Fixing holes are arranged on the fixing edges for fixing a printed circuit board. By adopting the technical scheme, the tool can protect the printed circuit board and prevent the circuit board from being broken, damaged, deformed, etc. A higher product qualified rate is further achieved.