This paper examined the effect of a teacher training program for the junior high school level home economics class. In the training program, the teachers are to observe the activities at nursery schools in order to understand the child development in connection with the role of nursery school. Surveys were made at three periods : prior to, following, and one year after the prescribed observation tour. The major findings are as follows : I. The teachers appraised the role of the nursery school staff as well as that of the nursery school itself much more after having observed the activities. 2. The teachers evaluated one year later that their experience at the observation practice in the training program had helped the early childhood education at their home economics class.