The purpose of this study is to examine the effect of class behavior training program on questioning behavior, making clear development of class contents, and feedback behavior among class behaviors of prospective early childhood special teachers. ln this study, three senior university students majoring in early childhood special education at four-years course university located in city G. First, among class behavior of prospective early childhood special teacher, ‘questioning behavior' showed positive change. Second, among class behaviors of prospective early childhood special teachers, ‘behavior of making development of class contents' increased. Lastly, among class behavior of prospective early chi ldhood special teachers, ‘behavior of feedback' changed positively.