The purpose of this study is to examine the improvement and its effect of the curriculum analysis ability in the teacher training program of social studies. In this paper，we analyze the interview data of 4 students who have finished the class of“Curriculum Design of Geography and History Education". As a result，it became clear that factors which improve the curriculum analysis ability are as follows: 1) the feedbacks of the students’ outstanding analysis report， 2) the specific and complementary commentary from professor， 3) the continual assignments focusing on the "aims and contents structure" of the curriculum. Furthermore，the their improvement of the curriculum analysis ability has brought about great effects to rebuild or strength their beliefs on significance of the social studies.