Abstract: This paper studied is mainly about interaction between proteins and polysaccharides.Interaction between proteins and polysaccharides might result in compatibility or incompatibility.Proteins have had many functional properties which could be improved by interaction between proteins and polysaccharides,and finally affected the properties of food system.Interaction of two macromolecules was widely used in the food industry.

Key words: Proteins Polysaccharides Interaction