One of the most important stages in any revolution, is the transition to new political system and consolidation of it. In the transition period of islamic revolution, this duty was put on the shoulders of interim government, but resignation of Mehdi Bazargan, the head of interim government , raises this question that : how was the relations of interim government with social and political institutions and forces? This paper, with historical approach and documentary method studies the relations of Bazargan government with the political forces in selection of cabinet, interim Government performance on important issues of country, and its attitude to social and political forces . This paper shows that the conflict between liberal discourse of political Islam and Islamic jurisprudential discourse and the various social status of any of them , prepared political conflict and affected The role of the interim government and the end of work period of interim government in the establishment stage of the Islamic system .