Building outer wall decorative plate connecting structure

The utility model discloses a connecting structure for building outer wall decorating plates, and belongs to the technical field of building outer wall decorating plates. The building outer wall decorative plate connecting structure comprises a first fixing frame and a second fixing frame, threaded holes are formed in the upper surface of the first fixing frame and the upper surface of the second fixing frame, the interiors of the threaded holes are in threaded connection with fixing bolts, and a sliding rail is fixedly connected to the inner side wall of the second fixing frame; during installation, the outer wall decorating plate, the insulating layer, the heat preservation layer and the damp-proof layer are firstly placed in the first fixing frame, the first fixing frame and the second fixing frame are connected together by screwing the fixing bolts, and under the action of the springs, the rubber pads, the sliding rails and the sliding blocks, when external force impacts on the outer wall decorating plate