The invention discloses a recycled waste polystyrene plastic produced special modified material for household appliances, and a preparation method thereof, and the material can be used for solving the problem that, in the existing technology, the recovery rate of polystyrene plastic of television shells is lower, and resource is wasted. The material is composed of the following components in parts by weight: 100 parts of waste polystyrene television shell broken material, 5-8 parts of SEBS, 0.1-0.3 parts of EBS, 0.1-0.5 parts of calcium stearate and 0.1-0.3 parts of zinc stearate, wherein the waste polystyrene television shell broken material is obtained by detaching the waste television, smashing the polystyrene broken material, rubbing, cleaning, rinsing, drying, and soaking in brine, screening, then, cleaning again, and drying. The invention also provides the preparation method of the recycled waste polystyrene plastic produced special modified material for the household appliances. The method can be used for effectively recycling the polystyrene plastic of the waste televisions, and has the advantages of saving resource, protecting environment, lowering the cost, simplifying the preparation process, and the like.