This research is to survey the relationship between foreign policy of I.R.R. and perspective document in reaching regional superior power. For the first time, in this document, regional approach has been put forwarded. The concept of regional superior power in the document has been taken from two aims: reaching to upper place of scientific, technology, economics, and an effective constructing interaction in foreign relations. The aim of this paper is to investigate foreign policy challenges in adopting constructive approach in Iran's foreign policy. Therefore, in the first part of this paper, it is pointed out to meanings and idioms of outlook. In the second phase, the background of regionalism in Iran's foreign policy before and after the Islamic revolution has been taken into consideration. In the third phase, the concept of dimensional challenges of Iran's regional power has been surveyed.