This study was to examine children s peer competences according to the degree of teacher s perception about the conflict, closeness, and dependency sub-scales of teacher-child relationships, and the differences by gender. Participants were 146 kindergarteners (boys: 17, girls: 75) of 2 public kindergartens in Seoul, 3 public kindergartens in Daejeoun. The results were as follows: First, teachers perceived their teacher-child relationships as relatively positive and effective. The tendency of relation with boys showed higher conflict than girls, and girls showed higher closeness than boys, and there was no significant difference in dependency between boys and girls. Second, as the result of two-way ANOVA, the children s peer competences were found out all significant in conflict, closeness and dependency according to the degree of teacher-child relationships and gender. There were all significant differences in sociability, prosocial behavior, and leadership according to the degree of teacher s perception of conflict. Prosocial behavior was different with the degree of teacher s perception of dependency. And there was a significant interaction effect in prosocial behavior according to the degree of teacher s perception and children s gender.