The article discloses the main original results of the study of children suffering from obsessive-compulsive disorder (OCD) in foster families in the territories of Ukraine liberated from the Russian occupiers. The substantiation of the medico-social and psychological model of rehabilitation of children with neurotic disorders who are in foster families under conditions of social stress caused by the war in Russia is given. For the first time, on the basis of the definition of the differential typology of the obsessive-compulsive symptom complex, a program of thorough treatment of patients with the mentioned disorders with different nosological affiliations was scientifically substantiated and developed as a combined system of psychopharmacotherapy and psychotherapy. It is the expansion of clinical ideas about the typology and registers of the obsessive-compulsive symptom complex as well as the expediency of taking them into account in therapy that made it possible to increase the effectiveness of treatment and rehabilitation measures for patients with this disorder. The comprehensive treatment program, which includes the first developed and implemented focal differentiated psychotherapy depending on the types of the obsessive-compulsive symptom complex, is specific and available for the use of psychiatric and psychotherapeutic help, social adaptation of this contingent in foster families, which is very important from the point of view of social policy and the development of its theory.