Thermal insulation decorative composite board

The utility model belongs to the technical field of building boards, and particularly relates to a heat preservation and decoration composite board which comprises an installation frame and an installation board, the installation frame comprises a transverse framework and a longitudinal framework, one face of the transverse framework and one face of the longitudinal framework are each fixedly connected with a reinforcing board, and limiting grooves are formed in the surfaces of the reinforcing boards. Four limiting plates matched with the limiting grooves are fixedly connected to the bottom face of the mounting plate, the transverse frameworks and the longitudinal frameworks are perpendicularly arranged in a staggered mode, supporting sleeves are fixedly connected to the bottom faces of the staggered positions, four first screw holes are formed in the surfaces of the supporting sleeves, and four second screw holes are symmetrically formed in the surface of the mounting plate. According to the utility model, t