That is scapegoating in family who sacrifice himself for saving the whole of his group, called family scapegoationg. Many of family therapist referred about concept of it in their study although they used other terms. Then, How is a scapegoating in family concerned with multigeneration tradition? This paper thinks Bowen’s Triangles theory as a systemic mechanism which makes a scapegoating in family. It is possible to survey. Also, it regards Projective identification and Internalization among family members in Triangles as a intrapsychic mechanism. Really, Internalization happens in the process of Projective identification. So, this paper refers Internalization seperated from Projective identification for emphasizing side of children as a sufferer. Through these mechanism:systemic, intrapsychic a family scapegoating is born and he/her becomes another mechanism for Multigeneration-transmission.