Noise-reduction and heat-preservation laminated slab

The utility model discloses a noise-reduction heat-preservation laminated slab, which belongs to the field of laminated slabs and comprises a concrete base layer, a plurality of ribs are symmetrically and fixedly connected to the top surface of the concrete base layer front and back, the ribs are arranged in a triangular shape, and the top ends of the ribs on the same side are fixedly connected with the same connecting rib. The left side wall and the right side wall of the concrete base layer are fixedly connected with a plurality of reinforcing bars which are evenly distributed respectively, a reinforcing mesh is arranged in the concrete base layer, a sound insulation layer is arranged in the concrete base layer, a plurality of grooves which are evenly distributed are formed in the upper side wall and the lower side wall of the sound insulation layer respectively, and the grooves are in a honeycomb shape. By means of mutual matching of the reinforcing mesh, the sound insulation layer, the grooves and the lik