Dependence on psychoactive substances is one of the important problems of modern medicine. In Croatia, except for hospital and outpatient treatment of drug addicts which is being implemented in the health system, are conducted and different measures of psychosocial treatment in therapeutic communities. The goals of treatment and all procedures and methods used during treatment must be directed to change the attitude towards social values comparing to the use of drugs. However, in the overall treatment of the important role of psychosocial treatment and intervention. Therefore, in treatment of drug addicts, especially in the psychosocial treatment, a multidisciplinary approach is necessary for a comprehensive and more efficient treatment and rehabilitation and the reintegration of rehabilitated addicts in the community. Psychosocial interventions to persons who abuse drugs are professional and practice-based processes directed to achieving a socially acceptable and adapted to support the functioning and maintenance of health. In this final article, the author talks about the aspects just mentioned in a therapeutic community.