The central concept for the family therapy is the system. In the family system, the family members are very close, that a perturbation of family system homeostasis goes to a patient identification, which is presented like a dysfunction.
The multisystemic approach is a way to analyze the influence of different situations (family, school, friends, and community) to the child behavior. This therapy supposes the interventions for the child, parents, couple, large family, school and specialists who work with the child. This paper has the goal to presentation the multisystemic approach for a psychotic child.