完善的少年司法制度对预防未成年人犯罪有重要作用,我国的少年司法制度产生的历史不长,还存在诸多不健全之处.因此,有必要针对不足,从实体法、程序法及处置法方面,对我国的少年司法制度加以健全与完善,以期收到预防未成年人犯罪的最佳效果.“,”Perfect juvenile justice system plays an important role in preventing juvenile crimes .It is not a long history of China’s juvenile justice system. There are some wants in the system .So it is necessary to improve our system in the aspects of substantive law, procedural law and disposition law. Our aim is to receive best effect in preventing juvenile crimes.