Article 15 of the Indonesian Penal code gave an alternative in execution of the imprisonment which was called parole, but this institution was inefficient in practice. Result of the research showed that the parole institution was still necessary to be maintained because it was in line with the goal of integrative imprisonment and the idea of rehabilitation as an effort to rehumanize the prisoner to be a a productive development power. The parole made some special advantages for the prisoner : to shorten the duration of imrinsonment, an apportunity to self rehumanization, to continue the activity which had ever been done before. the advantage for the correctional institution (Lapas) were : to improve the image, the eliminate the stigma, to reduce the living cost, to reduce the occupation density.