Plastic master batch is a concentrate made by placing a plastic additive in an excessive amount in a resin; in the manufacturing of a plastic product, it is only necessary to add such a percentage to the plastic master batch. The varieties of plastic masterbatch include: (1). Filler masterbatch; (2). Color masterbatch; (3). Flame retardant masterbatch; (4). Polyolefin stabilization masterbatch; (5) Functional Masterbatch for agricultural film; (6). Other special masterbatch. Subdivided dozens of plastic masterbatch. Moreover, with the expansion of plastic varieties and applications, the requirements for plastic processing products will be refined, and the variety and quantity of plastic masterbatches will increase.