The present study examined the utility of the laughter used as a means at the child care scene where the teacher-directed activities. The first author participated in the exercise class conducted by external teacher at the preschool and it was recorded with the video camera. As a result, it was suggested that the laughter which had used by the teacher made the children becoming conscious of their activity and concentrating on its activity. It was also suggested that the teacher's flexible correspondence is indispensable for using laughter as an effective child care skill. In addition, it is thought that the teacher is sharing fun with children by using laughter as a means.