Eating disorders represent a psychological and medical problem that appears from infancy and early childhood, but is most often present in adolescence. The etiology of eating disorders is multifactorial. The causes can be found in psychological, biological and sociocultural factors. The frequency of eating disorders is increasing in developed countries. The main forms of eating disorders are anorexia nervosa, bulimia nervosa and binge eating disorder, which are accompanied by numerous psychosocial problems. There are also nonspecific eating disorders in which patient shows some behavior typical for eating disorders, but does not meet the criteria for anorexia or bulimia. It is important to start as early as possible with treatment and interventions that should be carried out by a multidisciplinary team. Numerous methods have proven to be effective in the treatment of eating disorders, but it is necessary to implement forms of prevention in order to prevent potential health problems.