Paiwan tribal society has the concept of mamazangiljan (nuclear family) as its heart. Tribal customary law is aimed at establishing a just and righteous, restorative, balanced and healthy interaction. In this tribal environment, every member of the tribe is asked to strengthen their relationships between people and relatives, people and tribe, people and social justice and the relationship between man and nature. Therefore, the hearts of everyone need to be carefully governed; mistakes must bear costs and individuals carry the responsibility to make amends, pay compensation and the responsibilities involved in making reparations. In contrast to this, members of the tribe also have to be ready at any time to forgive others, to accept an offer to make from amends perpetrators, giving access to the repair and reconstruction of cognitive and spiritual bonds.The purpose of this paper is to ”study the Paiwan customary law and practice of the concept of justice.” In order to grasp the concept of justice and understand practice the overall significance of the tribe, this paper will be from perspective of the Paiwan regional social concepts, legal maintenance of regional social status, and about the concepts of crime and punishment and will also be from the Paiwan people's view and interpretations of traditional customary law relating to penalties for offenders and their relationship with victims.