The purpose of this study is to investigate the behavioral characteristics of relationally victimized young children. Four and 5-year-old preschoolers (girl N=18) were observed relationally victim and loneliness in natural setting for one year. In study 1, the child (girl A) who were more relationally victimized and felt more loneliness, and the child (girl B) who were less relationally victimized and felt less loneliness were served as subjects and were examined their behavior characteristics. Result indicated that girl B did more approach to other child than girl B did. In study 2, the acts that girl A did to peer were examined by event sample. As a result withdrawal behaviors were observed in 3 episodes. This result suggested that girl A have anxious by relationally victimized