Polyethylene wax, also known as low molecular weight polyethylene and polymer wax, is abbreviated as PE wax. In recent years, the production scale and application field of polyethylene wax in China have developed rapidly. It has become a lubricant, brightener and dispersant in plastics, rubber, leather, paint, pigment, hot melt adhesive, candles, low-voltage electrical appliances, cosmetics and so on. This paper briefly introduces the application of polyethylene wax in PVC, modified masterbatch