The purpose of the study is to see how the bibliotherapy program has an effect on the improvement of a junior high school student's career maturity degree, and how it can be applied to students for developmental and collective approach. In this experiment, bibliotherapy program was progressed 11 times for 60 minutes to twenty second grade students of W junior high school in Kyeonggi-Do. There are two groups: one is the control group, and the other experiment group. In order to verify the effect of a bibliotherapy program a correspondence specimen t-test analysis was used. The degree of youth's course maturity has been checked to see if there is any difference between the preliminary inspection and the post inspection for both the experiment group and the control group. Moreover, ANCOVA was applied in order to grasp if there is any difference between the experiment group and the control group to the post mark.