In the textile, printing and dyeing industry, polyacrylamide is commonly used as spinning sizing agent and fabric finishing agent, and it can also form an anti-mildew protective layer on the surface of fabric. Because polyacrylamide is easy to adsorb with fabric and carries its own charge, it can be used as printing and dyeing auxiliary in printing and dyeing process to make the products have high adhesion fastness and high vividness, and it can also be used as textile auxiliary such as leveling agent and polymer stabilizer for bleaching.