There were two purposes of the present study. The first was to examine the relation between change of imitation and emotion. The second was to study process of change in the intention of imitation and imitation by emotion. The paticipants were 3 years old children and the classroom teacher. The investigators observed children's and their teacher's activity in the natural setting. The results of observation showed that the change of imitation related with positive emotion. Analyzing episode, the positive emotion changed the intention of imitation and then turned imitation into creation. Moreover, it was also suggested that individual emotion was transformed into empathy through imitation.