Psychotherapy is necessary when people suffer from mental ailments. This can manifest itself in psychological, physical and also social difficulties and causes a considerable suffering pressure for the person and his / her social environment. . It is advisable to consult a psychotherapist if a mental crisis persists for weeks. The treatment spectrum includes the common disorders of the ICD-10, such as affective disorders (eg depression, mania, bipolar disorder), neurotic, stress and somatoform disorders (eg anxiety, coercion, phobia, trauma), behavioral disorders with physical disorders and Factors (eg eating disorders, sleep disorders), personality and behavioral disorders as well as behavioral and emotional disorders with a beginning in childhood and adolescence (eg ADHD, disturbance of social behavior, mutism) and many more.