Microcredit represents the carrying axis of that system of exchange of financial services to the person, best known like microeconomy, that they allow to the social bands poor and indigent the participation the political-economic life of the local communities. The fundamental ring of the device of Microcredit is a small operative group composed from 5 persons more a conductor, defined solidarity- group and characterized from an intermediate sociality between the spontaneous group and the work group. It represents a device of participation particularly indicated for disadvantage persons and at risk of social exclusion, who mean to begin a way of self-help and social self-promotion. This small group constitutes the micro group level on which is founded the psycho-socio-economic support that the device of participation group-community-based of Microcredit supplies competently to the programs of Local Development Mental Health. Using like reading grill the groupanalytic-subjectual theorising of Lo Verso (1994; 1998), of such group it comes developed a grill of assessment of the theorist-procedural parameters of its Set(ting) and of the characteristics of its functioning regarding intragroup, intergroup, organizational, institutional and communitarian dynamics. The Set(ting) of the Microcredit’s Small Group comes here put to comparison also with different kinds of psycho-social clinical groups developed by Sicilian group-analysis.

Keywords:Microcredit, Parameters of Group, Set(ting), Socio-Clinical Work