Heavy metal roof decorative plate

The utility model provides a heavy metal roof decorative plate, relates to the technical field of steel structures, and solves the technical problem that a metal roof decorative plate in the prior art is not firmly fixed in the vertical direction. The metal roof decorating plate comprises a decorating plate body, a buckling part and an inserting part are arranged at the two ends of the decorating plate body in the length direction respectively, and the buckling parts and the inserting parts of the two adjacent decorating plate bodies in the length direction can be connected in a matched mode so that the two adjacent decorating plate bodies can be fixedly connected in the length direction. According to the utility model, the fixed connection between the two adjacent metal roof decorative plates in the vertical direction can be ensured, and the problems of large-distance cracks and easy dislocation at the butt joint of the two existing metal roof decorative plates are solved through the matched connection of th