Introduction. The method of relaxation by Peter Hess, not particularly popular in Poland, is used by doctors, therapists, psychotherapists, and teacher-therapists working with people with disabilities in occupational therapy workshops, social welfare centres, hospices, and hospitals. Objective. The aim of the article is to present selected assumptions of the Peter Hess method and the possibilities of its use in prophylaxis and family therapy. Materials and methods. The work uses a description of individual cases of people benefiting from family therapy at the “Arka” Social Welfare Centre in Zielona Góra. Results. The observations show that the Peter Hess method creates wide preventive and therapeutic possibilities in working with adults and family members.