The mixed personality disorder unlike other types is often enough diagnosed recently in forensic psychiatric clinic. Inspection of 50 patients with this diagnosis (men at the age from 18 till 47 years) which were convicted in violent and crimes against property has been spent.Concerning 39 persons the decision that in a crime they could realise actual character, the social danger of the actions and to supervise over them was made (full responsibility). Decisions about necessity of application of item 22 of the Criminal code of the Russian Federation («the reduced responsibility») have been accepted concerning the others exanimated persons with the recommendation about necessity of awarding punishment and treatment by the psychiatrist in the places of confinement. These persons to the present offence and inspection were earlier repeatedly involved in the criminal liability for violent crimes. They had mental immaturity, condition of unstable indemnification, infringement of inclinations (dependence on psychoactive substances, a pathological inclination to gambling, plural frustration of sexual preference). The basis for the decision about application in their relation of the item 22 of the Criminal code of the Russian Federation was the subjectively significant psycho injuring situation in a combination to the expressed emotional pressure, self-inflation reactions, and also peculiar to these persons immaturity and rigidity of emotional reactions, easing of the strong-willed control, and these factors limited their possibility to realise actual character and the social danger of the actions and to supervise over them during the tort.