"The purpose of this research is to examine bullying victimization and coping behavior of children who are experiencing bullying in classes. In-depth interview based on the unstructured questionnaires was conducted for 7 children who reported bullying experiences in class among the children who were registered in ○○-si children･youth mental health promotion center after the children's mental health examination and participated sociability promotion group program. As the result of analyzing with Colaizzi's phenomenological approach, there were 3 sectors, 7 subjects and 13 categories. 3 sectors were ‘experience of victimization’, ‘coping behavior’, ‘life after victimization’. 7 subjects were ‘concrete methods of bullying’. ‘emotional difficulties by bullying’, ‘direct trying for endurance’, ‘turning of interests to other side in case of the ineffectiveness’. ‘trying of methods apart from the activities’, ‘strange environment and oneself as a stranger’, ‘environment which cannot help me’. Based on the results of research, this research intends to suggest."