Abstract: The chicken eggshell membrane is an inexpensive and abundant waste material with great potential applications.Its components could be utilized in a variety of fields such as feed, food, medicine and the light industry.Researches showed that soluble eggshell membrane proteins ( SEP) , collagen, keratin, saliva acid, hyaluronic acid and antimicrobial molecules were extracted and purified from eggshell membrane, and those components underwent further procession with widely applications in different areas. The latest studies on the application of constituents in the eggshell membrane and offered references for further research were reviewed in this paper.