The utility model relates to the technical field of wall decoration, in particular to a connecting structure for assembling a decorative plate and a wallboard, which comprises an edge forming component, an external corner component, an internal corner component, a built-in component, an edge closing component and a foot margin component, and the decorative plate is connected with the ground and the wallboard through the foot margin component. The starting ends of the decorative plate and the
wall plate are connected through the edge starting component, the external corner positions of the decorative plate and the
wall plate are connected through the external corner component, and the internal corner positions of the decorative plate and the
wall plate are connected through the internal corner component. The two adjacent decorative plates and the wall plate which are arranged in parallel are connected through the built-in component, and the
tail ends of the decorative plates and the
tail ends of the wall plate are connected through the edge closing component. The assembling efficiency of the decorative plate and the wallboard is improved.