The social support system is a hot issue for the practice department of juvenile justice, while the related ethical problem research is still scarce. It is the embodiment of the ethical principle of “Best Interests of the Child” in the criminal justice of minors that the juveniles involved in crimes can be successfully returned to society through social support and socialized treatment. The responsibility ethics is the government-led ethical basis with broad social force participation, as well as the theoretical basis for balancing “Parens Patriae” and “Elterliche Sorge”. It is necessary to follow the synergy ethic to coordinate the complex relationship of the pluralism and multi-level of the social participants. In the process of providing judicial social services to minors, social forces should follow the basic ethical norms such as equality and respect, acceptance and recognition, empowerment and development.