The majority of metacognition education studies in Iran are focused on academic achievement (Ebrahimi ghavam1998). As result the effects of this education on the promotion of moral reasoning and ethical behavior is not fully understood. Regarding the finding of Swanson and hill (1993) stemming on this hint that the people who have learned more strategies in various features, including moral activities and have saved these matters in their long term memory, are more probable of using knowledge in their own moral reasoning functions. The present study is to investigate the relationship between these two variables.