Abstract: Chondroitin sulfate is an acidic macromolecular mucopolysaccharide and widely applied in the industries of medicine,food and cosmetic for its biological activities,which has a huge market prospects.The extraction and purification processes of chondroitin sulfate were reviewed in this paper.The preparation process of chondroitin sulfate were described,which would lay a foundation for further research and development of chondroitin sulfate.

Key words: chondroitin sulfate, extraction, purification