Nowadays, the renewed interest towards questions concerning the government of metropolis and its characteristics which tend to assume single or group policies, ranging from those orientated to the development of population, rises some remarkably important questions to the attention of people in charge of these kinds of matters. Generally speaking, the first question is about the tractability of social issues regarding the metropolis. The second one concerns the definition of the proportions where to promote specific social policies. The third question is about the difficulty in putting together the aspects related to the universalism and those concerning the personalisation in offering suitable services. The local welfare is the whole of social negotiations defined inside specific legislative and ruling references, carried out in determined political and institutional conditions through which organized and non - organized Institutions (Organizations, Associations, Nets) socially take care, both formally and informally, of the citizens who are in a difficult position and also take part in the growth of solidarity and cooperation in a specific territory.