The surface of the metal engraved plate is a colored embossed decorative metal plate treated with a special layer, the middle layer is a hard high-density polyurethane foam thermal insulation layer treated with flame retardant, and the bottom surface is an aluminum foil for heat insulation and moisture resistance. The protective layer. Because the wall panel itself has the characteristics of thermal insulation, waterproof and flame retardant, light weight and earthquake resistance, convenient construction, sound insulation and noise reduction, green environmental protection, beautiful and durable, and because the panel assembly method is simple and practical, it is not affected by the seasonal environment, so the installation It is very convenient to use and suitable for all seasons. This innovative exterior wall insulation decorative panel highlights its advantages.