The invention relates to a cordierite-mullite kiln furniture material with high thermal shock resistance and belongs to the field of the kiln furniture material. According to the kiln furniture material, floating beads, cordierite clinker, cordierite-mullite waste blanks, chamotte clay and wood meal are taken as aggregate, talc, aluminum oxide and clay are taken as a substrate material, a solid substance of the kiln furniture material is prepared from the aggregate, the substrate material and an additive yellow dextrin, water is added to the solid substance and is stirred, and a mixture is formed. After optimization, the requirement that the final composition is consistent with the composition of the cordierite-mullite kiln furniture material in the market is met, and the firing temperatures also keep consistent; the material has the advantages that the expansion factor is low, the number of thermal shock times is large, the volume density is low and the strength is high, and the material is suitable for being used as the excellent cordierite-mullite kiln furniture material with high thermal shock resistance.