The most important eating disorders are anorexia and bulmia, which most frequently occours first time during adolescence and continues into adulthood. They can cause medical complications and psychological disturbances. The pathogenesis of eating disorders are still unclear. Current etiological concepts are multidimensional including biological, individual, familial, and sociocultural factors. In spite of a great variety of therapeutic possibilities, the way of recovery is longsome. Familystructure initiate frequently these kind of diseases and have to be considered in the therapy. As far as the nursing stuff is concerned, these deases require special qualifications. For example steady personality and empathy, so not every person is able to fulfill such a challenge.