This paper from the aspects of covalent bonding or blending of chitosan with phenolic compounds, the preparation of chitosan with gallic acid, caffeic acid and ferulic acid, the mechanical, antioxidant and antibacterial of covalent bonding film were reviewed at first. Then summarize the effect of curcumin, tea polyphenols and apple polyphenols on mechanical, antioxidant and antibacterial of blending film.