With hindered amine antioxidant 1010 and 1076 and have good synergistic effect, can improve the stability of polymeric materials during thermal processing. Phenolic antioxidants have been compounded with more than a dozen preparations, widely used in polyolefin (such as polyethylene, polypropylene) and olefin copolymers, polyamide, polycarbonate, PS resin, PVC, engineering plastics, rubber and petroleum products, ABS resin and other polymer materials.