Many of criminals after the release used to return to correctional facility because they tends to have difficulty of settling down and be recommitted to crime again. This study aims to cover job training in correctional facility in order to make rehabilitation easy, which is the most important course for settling down smoothly in society. Courses in architectural field are the mainly researched because they have one of the biggest parts of the job training course. The study and the surveying with the prisoners are done, here is the result. First, job training should be focused on the professional field that have available vacancy for them. The courses should follow up the trend of job market and give mastering course so that the fruition of training works well. Second, the number of teachers for each profession have to be enough compared to the trainees, to teach proper number of trainees per class. Third, the quality of training need to be improved by focusing on a single skillful work rather than bunch of unskilled labors though cooperating with collages in society. Forth, budget for training is supposed to be increased as it is quite low than other normal job training course. Fifth, tools for measuring training result is developed such as returning ratio or employment rate.