Printing paper inspection bench

The utility model relates to a printing paper inspection bench which comprises a workbench, a supporting plate and an illuminating lamp, the supporting plate is fixed on the workbench, the illuminating lamp is fixed on the workbench and located above the supporting plate, an air outlet hole is formed in the surface of the supporting plate, a cover plate is hinged to the air outlet hole, and the cover plate is fixed on the workbench. The cover plate is flush with the surface of the supporting plate, a mounting hole communicated with the air outlet hole is formed in the side wall of the supporting plate, a sliding rod is slidably connected into the mounting hole, a communicating hole is formed in the sliding rod, and a ventilation plate used for blocking the communicating hole is hinged to the end, close to the mounting hole, of the sliding rod. The ventilation plate is connected with the sliding rod through an elastic piece. The utility model has the following advantages and effects: the scheme utilizes a new