The invention more specifically relates to a thermal insulation panel with the decorative plates, the present invention relates to insulation panels with a decorative plate having excellent functionality, such as to not only has excellent heat-insulating external insulation decorativeness. Thermal insulation panels, such that the hollow portion is formed to face each other inside the first and the second metal plate placed with the decorative plate according to an aspect of the present invention; Wherein the metal sheet is provided on at least one among the first and the second metal plate, made of a material with a colorless plaque sex; And wherein said synthetic resin foam is interposed in the hollow portion between the first and the second metal plate and the decorative plate; contains, has an opening in its one side member, at least one of the metal plate between the first and second metal plates, the opening of the aperture the inner edge is attached to the edge of the decorative plate, it is characterized in that the back surface of the decorative plate has a rear surface of the opaque layer arranged. Decoration, panels, metal sheet, a synthetic resin foam, the back layer