This paper investigated the introduction background, the role a nd the functioning of the CADIST which is operated in France in order to emphasize the necessity of characterization of academic libraries. The objective of this policy is to collect and to diffuse scientific and technical information, and to establish its sharing system. The result of the policy shows that the sharing system is brought an activation of research and a discrimination or characterization of universities. And the discrimination and characterization of academic libraries is played an important role in area industry.