Composite heat preservation and decoration integrated plate

The utility model relates to the technical field of insulation boards, in particular to a composite insulation and decoration integrated board. Comprising a heat preservation layer, a waterproof layer adheres to the heat preservation layer, a first grid layer adheres to the waterproof layer, and a flame-retardant layer adheres to the first grid layer; a second grid layer is adhered to the flame-retardant layer, and a plastic fixing plate is adhered to the second grid layer; four uniformly distributed annular mounting columns are arranged on the plastic fixing plate, annular buckling rings are arranged outside the mounting columns, and the buckling rings and the buckling caps are mutually matched and buckled; the buckling cap is integrally connected to the decorative plate; the plastic fixing plate is integrally connected with a fastening column, the fastening column is inserted into a fastening groove in the decorative plate, and the position of the fastening groove corresponds to the position of the fastenin