Many existing research for sex offenders with a mental pathological symptoms argued the need to put the concept of therapy in the center of correction. Accordingly, Changes, f. e. enlarge custody of treatment for mental disability sex offenders, imposition of the treatment program for all sex offenders, in the judicial system to enlarge the concept of therapy have been made. However, the system for the therapy and for the punishment are different in nature and structure. In this respect, the current judicial system is inadequate and is not appropriate to ensure the effectiveness of therapy fully. If we can agree with the conclusion that the contents of desiable correctional treatment must be a therapeutic cure, than we should have to accept new ideas and institutions of criminal justice and correction for effective therapy. In order to introduce the concept of therapy across the board as a purpose of criminal justice for sex offenders, this thesis focuses on the idea of 'Therapeutic Jurisprudence', and proposes institutional improvements to effective therapeutic treatment in the correctional step for sex offenders. One of the main contents of propositions is, in the case of attending order for sexual violence treatment program, a way that does not specify a impositional time or a way likes irregular punishment. The other is a institution of special probation that enforces social therapeutic treatment for a dangerous sex offender who already serves a prison term.