Polyethylene glycol is a kind of high polymer, chemical formula is HO(CH2CH2O)nH, non-irritating, slightly bitter taste, has good water solubility, and many organic components have good compatibility. With excellent lubricity, moisture, dispersion, adhesion, can be used as an antistatic agent and softening agent, etc., in cosmetics, pharmaceuticals, chemical fiber, rubber, plastics, paper, paint, electroplating, pesticides, metal processing and food processing industries have a very wide range of applications.