Probation is used in 90 % of this class of cases (see table). Due to the serious nature of their offenses, juveniles given criminal convictions whose sentences are not suspended, and reformatory education cases, must be separated from the outside world and given long-term professional guidance. They are transferred to juvenile detention centers, reform schools, or other institutions for "rehabilitative treatment."
（見附表）被判刑事案件並且沒有緩刑者，和判處保護事件中最嚴重的第四級「感化教育」的，由於觸法情況嚴重，必須與外界隔離，由專人長期輔導，因此需要移送少年監獄和輔育院等機構進行「矯治」。