At the end of Hallstatt period, settlement did not have a general end synthetic approach about metallic finds. Trough quantitative and qualitative aspects, we have suggested a definition about diversity of this material. We are understand which choices about use iron or bronze objects, depending to technical, esthetique and social criteria. Over time, the development of iron was observed in domestic circles (in the jewels for example). At more ancient period, metal was accumulated by aristocratic circles. Then it developed in the others circles (domestic and crafts). Furthermore metal was present and use on the important illfort. At La Tène A, it is different : new settlements had given metal. Excepted agricol world who stay excluded. Few o...