Basalt fiber building insulation board

The utility model discloses a basalt fiber building insulation board, relates to a building insulation board, and solves the problems of insufficient strength, heat insulation, fire prevention, heat preservation and impact resistance of the conventional building insulation board. A basalt fiber building insulation board comprises a surface layer, a reinforcing layer and a base material layer, andthe reinforcing layer is bonded and fixed between the surface layer and the base material layer through a bonding agent layer. The surface layer is a basalt fiber cloth layer; the reinforcing layer isformed by weaving basalt fiber bundles and steel wires according to warp yarns and weft yarns; wherein the base material layer is composed of graphite polyurethane plates arranged at intervals and vertical wire rock wool plates arranged longitudinally, and the graphite polyurethane plates and the vertical wire rock wool plates are bonded and fixed through a two-component polyurethane resin adhesive layer. The composite bo