Polyvinyl alcohol (PVA) is a kind of water-soluble polymer which is found by the German scientist Dr. Hermann and Dr. Haenel in 1924. Its performance is between plastic and rubber. Polyvinyl alcohol achieves the industrialized production in 1926 and it implements the large-scale industrialization production in the 1950s. PVA has a wide range of applications as a kind of water-soluble polymer. Initially it is used as raw material of vinylon fiber in domestic, then it gradually get development and application in the field of non fiber, which expands the PVA application field and development prospect.