In writing about the group setting in treatment of patients with psychosis the author is drawing from his long clinical practice and his writings on the subject. He underlines the value of group-analytic concepts, formulated by S.H.Foulkes, as well as needed modifications when patients with psychosis are in question. Through clinical examples he will explain his experiences and discuss some specific features concerning inpatients and outpatients group psychodynamic psychotherapy for patients with psychosis. A special attention will be directed towards the dynamics of the therapist's/therapeutic team's roles, and to the need of continuous supervision.