Vertical lock seam metal roof composite board

The utility model provides a vertical lock seam metal roof composite board. The vertical lock seam metal roof composite board comprises a switching clamp, a roof board, a support and a fastening screw. The roof panels are installed on the upper end face of the roof, upper panels are arranged at the upper ends of the roof panels, lower panels are arranged at the lower ends of the roof panels, and the support is installed between the right ends of the roof panels and the left ends of the adjacent set of roof panels. The switching clamps are installed on the wave crests of the left portion and the right portion of the roof panel, and the upper ends of the switching clamps are fixed to the lower end face of the supporting profile steel. Every two adjacent metal roofing boards are locked together in the longitudinal direction of the boards through vertical lock seam type connection, a tightly-connected rigid roofing system is formed, connecting seams are hidden, roofs are connected into a whole through double-edge