Fireproof insulation board with fireproof ribs

The utility model discloses a fireproof insulation board with fireproof ribs, and relates to the field of fireproof insulation boards. Comprising a fireproof heat preservation base plate, a fireproof layer is arranged in front of the fireproof heat preservation base plate, a front glass fiber net is arranged at the front end of the fireproof layer, a front waterproof layer is arranged at the front end of the front glass fiber net, inner fireproof ribs are arranged at the positions, 5-15 mm away from the edge, of the upper end and the lower end of the fireproof heat preservation base plate, and outer fireproof ribs are arranged at the left ends and the right ends of the inner fireproof ribs. A rear glass fiber net is arranged behind the fireproof heat preservation base plate, a rear waterproof layer is arranged behind the rear glass fiber net, the fireproof heat preservation plate is provided with an inner fireproof rib and an outer fireproof rib, the fireproof ribs penetrate through the fireproof heat preserv