Paper corrugated board with reinforced hole

The utility model discloses a corrugated board with a strengthening hole, which comprises a damp-proof layer, the damp-proof layer is arranged between a strengthening layer and a framework layer and can adsorb water vapor in the corrugated board, the damp-proof layer mainly comprises a U-shaped supporting plate and air holes, the upper surface of the supporting plate is fixedly connected with the strengthening layer, and the reinforcing layer is fixedly connected with the framework layer. The outer surface of the air hole is fixedly connected with a supporting plate, and the lower surface of the supporting plate is fixedly connected with a framework layer. The corrugated board with the reinforcing holes is provided with a damp-proof layer, when the corrugated board is used, a U-shaped supporting plate needs to be filled with a rectangular drying plate, and when the drying plate is placed in the supporting plate, air exchange can be conducted between the drying plate and other layers in the corrugated board th