The utility model provides a masterbatch relates to dyestuff technical field. This masterbatch is including bearing body and pigment granule, it is cellular texture to bear the body, has a plurality of chambeies that hold inside it, the surface of bearing the body is equipped with a plurality of holding recesses, the pigment granule sets up hold the intracavity with in the holding recess, still beequipped with the adhesive between the pigment granule, the surface of bearing the body is equipped with the coupling layer, the surface on coupling layer is equipped with the oxidation resisting layer. Its stability is good, is difficult to by the oxidation, is carrying on plastics when painted, and the colour difference is little, better assurance the quality of product.