Mental diseases exist, and it is not the myth. Also it is proved not only scientifically — in each developed state work on several scientific institutions on studying of diseases of mentality, in all medical schools of all future doctors train in psychiatry (to science about mental disorders). In Russia only officially revealed number of persons with the confirmed psychiatric diagnosis makes several millions. In practice we face painful behavior disorders because of which the patients surrounding them suffer crimes, suicide, etc. are committed. As any disease (for example, a diabetes mellitus, an idiopathic hypertensia, oncology), at a mental disease has characteristic symptoms, the origins and ways of treatment.