Vertical external corner structure for installing outer wall metal enclosure plate in hidden nail mode

The utility model discloses a vertical external corner structure for installing an external wall metal enclosure plate in a hidden nail mode, which comprises an external corner piece, a transition fixing piece and fixing keels, the fixing keels are respectively fixed on the side face and the bottom face of a building external wall structure, and the two fixing keels are both fixedly connected with the transition fixing piece. And the external corner piece is fixed on the transition fixing piece. The thin metal steel plate is utilized, the cross-shaped external corner piece which is novel in design and rolling is installed on a building structure through the fixing keel and the L-shaped transition fixing piece, the cross-shaped external corner piece and the outer wall metal enclosure plate installed in a hidden nail mode are integrated, the decoration effect is obvious, and the waterproof, three-dimensional and attractive effects are achieved; and a new construction technology is provided for installation and