The purposes of this study were to investigate how discussion of moral conflicts found in the traditional fairy tales affects on young children’s moral judgment and their behavior. This study focused on following questions: 1. How does the discussion of moral conflicts found in the traditional fairy tales affect on young children’s moral judgment? 2. How does the discussion of moral conflicts found in the traditional fairy tales affect on young children’s moral behavior? The results of this study are as follows: First, a significant difference between the experimental and the control group was found on the influence of the discussion of moral conflicts in the traditional fairy tales on the moral judgment of young children’s, p< .01. The moral judgment of good intention shows a significant difference, while that of bad intention shows little difference. Second, a significant difference was found on the influence of the discussion of moral conflicts in the traditional fairy tales on young children’s moral behavior, p< .01. Both moral behaviors in their moral regular domain, p< .01 and their conventional regular domain, p< .01, show significant differences between the experimental and the control group.