The clinic of psychosis demands a different treatment modality from that of neurosis. Such practice entails frequent, immediate multidisciplinary workt so as so settle fundamental data allowing an effettive treatment. Still same phenomena similar to the speciftc dynamic of a psychotic patient arise within the working team, demanding that the groups insanity be considered as a dynamic factor for treatment. It is thus crucial to build. from each patient's singularity, a speciftc model in which intervention is a one etement intended to support whoever gets caught in the patient's deliriant dimension.