Glycoconjugates and its biological function have been playing a more and more important role in modern biotechnology and medicine industry.It has been proved that many of natural polysaccharides or glycoconjugates can depress the activity of every kind of virus.Immunobiological function of glycoconjugates is mainly presented in this paper.And its interdiction of viral adsorption,mucosal immune response,systemic antibody immunity and immune adjuvant is also discussed to show the anti-influenza viral activity of glycoconjugates.