To provide a fireproof panel which is light in weight, improved in workability, and drastically improved in heat insulation property.

The long fireproof panel 1 is formed by laminating and bonding at least two layers including an inorganic board layer and an organic heat-insulation panel layer, and sandwiching the laminated and bonded layers by a front member 2 and a rear member 3 each formed of a long metallic material. The organic heat insulation panel layer is formed of a phenol foam heat insulation panel with face plates having a density of 20 to 49 kg/m3.