Compound metlbond fireproofing heat-preservation plate outer wall outer heat-preservation system

The utility model relates to a compound metlbond fireproofing heat-preservation plate outer wall outer heat-preservation system; a compound metlbond fireproofing heat-preservation plate, a crack resistance mortar layer, a flexible sealing compound layer and a decorative layer are fixedly connected with a building outer wall base body in turn, wherein the crack resistance mortar layer is provided with alkaline-resistant glass fiber gridding cloth, and both the inner surface and the outer surface of the compound metlbond fireproofing heat-preservation plate are provided with non-woven fabrics, and six surfaces of the compound metlbond fireproofing heat-preservation plate are provided with an interface processing agent protection layer. The problem that the fireproofing performance of the outer heat-preservation wall body is poor is solved; when in fire, the outer heat-preservation wall body is uneasy to be burned and melted, and is free from producing toxic smoke; and the fireproofing outer wall heat-preservati