This paper attempts to study the factors which prevent offenders from social rehabilitation, specifically focusing on parolees who were sentenced to life imprisonment or more than eight years' imprisonment whose case records can show fairly long process of parole supervision. In this context, the rehabilitation is defined that parolees continue to abide by laws in society. The factors which prevent them from rehabilitation are considered as follows. (1) They have problems in their relationship with family members, relatives and friends. (2) They have few resources, such as money and friends to enjoy spare time with. (3) They have difficulties getting suitable jobs. (4) They have hardships of making compensation for victims. As to get rid of these problems, it is considered Volunteer Probation Officers play an important role for parolees through parole supervision in the performance of family adjustment, giving advice on making good use of spare time, assistance of getting job, and making compensation for victims.
