Cement gypsum-based straw light-weight wall heat-insulation board and preparation method thereof

The invention provides a cement gypsum-based straw light-weight wall heat-insulation board and a preparation method thereof, and relates to the technical field of building materials. The cement gypsum-based straw light-weight wall heat-insulation board comprises a low-density cement gypsum-based straw liner panel, glass fiber gridding cloths, high-density cement gypsum-based straw outer panels andcement gypsum protection layers, wherein the glass fiber grinding cloths are glued on the front side and the back side of the gypsum-based straw linear panel; the high-density cement gypsum-based straw outer panels are arranged on the outer layers of the glass fiber gridding cloths; and the cement gypsum protection layers are arranged on the outer sides of the high-density cement gypsum-based straw outer panels. According to the cement gypsum-based straw light-weight wall heat-insulation board and the preparation method thereof provided by the invention, the various layers in the heat-insulation board are mutually co