In this paper the psychotherapy of patients with schizophrenic, schizoaffec
tive and affective psychoses is outlined. Psychoanalytic, cognitive-behavio
ural and systemic approaches and their theoretical concepts as well as the
therapeutic techniques are described. The settings of individual, group and
family therapy are also presented,A survey of the types of psychoanalytic
therapy with their eldest historic roots is given with the development of t
he various psychodynamic concepts for schizophrenic and affective psychoses
including schizoaffective psychoses. The different kinds of psychotherapy
are compared to each other with respect to the aims. Finally this paper dea
ls with the effectiveness of the therapies and discusses the pros and cons
of relatively short randomised controlled trials compared with long term ps
ychotherapies without control groups.