Exterior wall cladding with multi-layer structure

An exterior wall hanging plate of a multi-layer structure comprises a hanging plate body, the middle of the hanging plate is composed of a whole plate body, connecting parts are arranged at the ends of the two sides of the hanging plate respectively, the hanging plate is fixedly connected with another same body or other hanging plates through the connecting parts, the whole plate body is hollow, and the whole plate body is provided with a plurality of through holes. The interior of a hollow plate body is divided into a plurality of ventilation cavities through a plurality of partition plates which are arranged in parallel, the upper surface of the plate body is of a parallel structure, the upper surface is coated with a pattern layer and a heat insulation layer, the lower surface of the plate body is parallel or provided with a plurality of grooves, the grooves are water flowing channels, and a damp-proof layer is laid on the lower surface. The utility model has the advantages of simple structure, multiple fu