Case of digression children in Indonesian more and more concern from mild case to severe case. Digression can impact a child to experience a criminal law case is called children in conflict with law. The purpose of this research is to knowing adaptation children conflict with law and the cause of good child adaptation in Panti Sosial Rehabilitasi Cileungsi Bogor. Methodology of this research is a qualitative approach. Subject of this research is children the ages of 12 to 18 years old with 4 sample respondent. The results of the research concluded that (1). Adaptation children conflict with law, is (a). Social adaptation that is by social interactions type which then the result attitude of solidarity. (b). Spiritual adaptation is good to follow spiritual activities but not all children can resolved life problem with utilize spiritual activity. (c). Culture adaptation that is the formation of behavior by agreement and limitations so that result principles and rules that must be implemented. (2) The cause of child good adaptation, that is (a). Internal factors, including a motivation as a cause that dominates the child adaptation. Howover factor children's education does not affect the adaptation process. (b). External factors that support children's adaptation, includ a the role of the family as a motivator, the role of a friend as an advisor, and then institution environment as a education provider and the facilitator in compliance the needs. The implication of this research is the process of good adaptation will potentially to children act positively with the support of internal and external factors.