The purpose of this study was to in depth investigate essence and meaning of the experiences of alternative education of the juvenile delinquents who have their anger out and to reveal it phenomenologically. Accordingly, the subordinate research question was what are the background, the characteristics of their anger₋out and the meaning of their participation in the alternative education. The study had in₋ depth interviews with the nine juvenile delinquents, aged from 14 to 19, who were send to an alternative education center, after receiving the probation order and the alternative education instruction order from the court, and under the probation at the compliance support center. The collected data from the interviews were analyzed by Colaizzi’s phenomenological method, and it resulted in 126 formulated meanings, 43 themes and 16 theme clusters. The experiences of alternative education of the participants could be briefly listed like this : sadness of being forsaken by their parents, pain of family violence, pressure from their school lives hard to en- dure, trauma of damage from violence, immersion in awakened anger, depression of anger internalizing, habitual anger₋out externalizing, violent acting out in their relationships, breakaway from their families and schools, boost for assimilating with their peer groups, lives as juvenile delinquents for their crimes, realization of their harsh realities, enhancing law-abiding spirit by education of law, reflection on themselves through the alternative education, rediscovery of the value of their families, and effort to change for desired future. The description of the results of the analysis are summarized as follow : First, the anger₋out of the participants came from the background that they couldn’t control their anger under the stress from their traumas and negative experiences with their families and schools, including absent of their parents and family violence. Second, the characteristics of their anger₋out were awakening their anger, fallen into anger expressing thought, and being depressed and pessimistic through internalizing their anger. They also expressed habitual anger and acted out violence in their personal relationships, failing to hold their suppressed anger and externalizing it. They felt their own presence in assimilation with the groups, but it led them to commit crimes, and they had to encounter their harsh realities and the law as juvenile offenders. Third, the meaning of participating in the alternative education extended to the opportunities to desire their positive change, by reflecting themselves through the education, such as personality educations, specialized trainings and personal counseling programs. Also, there was another meaning to rediscover their families’value and to make up with their families, and they found calm in themselves. From these results, the significances of this study are deduced as follow: First, this study provides counseling data which practically help juvenile delinquents, who make legal problems and feel uncomfortable because of their anger₋out, excluding prejudices and bias about them. Second, this study phenomenologically revealed the meaning of the alternative education, and it can be used as base data when organizations which teach and care for juvenile delinquents, such as school organizations, compliance support centers and alternative education center of the ministry of justice, develop education systems or programs to prevent second conviction and to reform them. Third, this study found that the one of main factor causing anger₋ out was their parents and their families, so the parents and the families should participate in the process of cure. Fourth, this study proposes necessity to politically deal with problems of juvenile delinquents in the environmental perspective, including not only families but also schools, peer groups and so on. Finally, in this study, the participants rediscovered their families’value, desired and grew for positive change of themselves while they had encountered the harsh realities and reflected themselves through the alternative education. This result implies that it is possible to change painful experiences of juvenile delinquents to positive direction through alternative education.