Damp-proof flame-retardant corrugated board

The utility model discloses a moisture-proof flame-retardant corrugated board which comprises a paperboard core, the upper surface of the paperboard core is fixedly connected with a heat preservation layer, the bottom surface of the paperboard core is fixedly connected with a pressure reduction layer, the front surface of the pressure reduction layer is provided with first pressure reduction holes which are arranged at equal intervals, and the bottom surface of the pressure reduction layer is fixedly connected with a connecting layer. The bottom face of the connecting layer is fixedly connected with a damp-proof layer, the bottom face of the damp-proof layer is fixedly connected with a heat insulation layer, the bottom face of the heat insulation layer is fixedly connected with a first flame-retardant fiber layer, the bottom face of the first flame-retardant fiber layer is fixedly connected with a waterproof inner layer, and the upper surface of the heat preservation layer is fixedly connected with a water ab