Today in Russia proportion of TB-infected male convicts serving sentences in prisons has significantly increased. According to the data of domestic and foreign scientists (R. May, V. Frankl, A. Adler, D.A. Leontiev, A.I. Ushatikov, V.G. Deev, D.V. Sochivko, etc.), the formation of meaning of life orientations has a positive impact on the psychological state of an individual and positively correlates with the effectiveness of the treatment. In 2018, in order to study the personal characteristics of TBinfected male convicts and to determine the level of formation of their meaning of life orientations, the pilot study in the medical and correctional institution of the Russian Federation was conducted. Special attention was paid to identifying the personal (criminal, socio-demographic, medical, individual psychological) characteristics of TB-infected male convicts. The research was carried out with the help of a set of psychodiagnostic methods and techniques: observation, conversation, praximetric method (analysis of personal files and medical records), testing, the test "Methods of studying character accentuations" (H. Smishek, K. Leongard), the test "Meaning of life orientations". (D.A. Leontiem), Lusher's test, methods of mathematical statistics (correlation analysis). It was found that TB-infected male convicts are characterized by negative mental states, character accentuation, low level of formation of meaning of life orientations.