Paper deals with problems of atypical forms of food intake disorder. Such disorders can be divided into three groups. First group included sub-clinical forms of food intake disorders. Patients with signs of thinning are included into the second group; however, their active role in slimming cannot be identified. In the third group the accompanying syndromes prevail, e.g. the syndrome of depression and obsessive-compulsive syndrome. Problems in the diagnostics and therapy of those atypical forms are discussed.

        Key words: atypical mental anorexia, atypical mental bulimia.