Action mechanism of paper wet-strength agents was introduced in this paper, and the applicaion and rsearch progress were discussed. And its research trend from now onwards was discussed also.

• 摘要简要介绍了造纸湿强剂的增强机理，讨论了湿强剂的应用及其研究进展，并探讨了今后造纸湿强剂的研究发展方向。