In the last four years the French Service of Museology and Cultural Activity has engaged itself with determination to broaden and enrich its activities that are addressed both to school children and teachers as well as to a new public; problematic children, workers, soldiers, peasants etc. Its mission has gradually been defined. It functions as the intermediary between the public and museum collections, therefore it must be in close collaboration with the management of museums. In this way the dual mission of the Museum, that is preservation of traditional, cultural wealth and the way in which this wealth is transmitted to the general public can materialize as such.