Dialectical behavioural therapy (DBT) has become the gold standard in the treatment of patients with borderline personality disorder. This therapy includes the combination of stance and techniques, which are characterized by the dialectic of acceptance and change. In the meantime, this method has also been successfully applied to other psychiatric disorders. In the case of anorexia nervosa - a disorder with a tendency to chronification and a considerably increased mortality risk - the work on treatment motivation increases. Traditional concepts in clinics are increasingly being questioned and tested for their suitability for everyday use. Here, DBT offers a set of tools with which positive experiences of effectiveness have already been made in some clinics. Evidence based on randomized controlled trials is still lacking. In this article, the basic principles of DBT treatment for adolescent patients with anorexia nervosa are explained and experiences with the treatment concept are reported.