Following the emergence of Islam, the economic strategies of Arabian Peninsula was according to the social traditions common in this terrain and also based on aristocracy, inequality, and exploitation of deprived people. The emergence of Islam in Arabian Peninsula presented modern ethics in the arena of economy being contrary to the previous traditions in many aspects. These ethics were founded on economic justice with the main principles of prodigality, giving charity, and giving inheritance to women. Economic rules of Islam confronted with negative reactions from traditional Muslims, those who were in favor of social traditions of Arabs in economic aspect. However, through the pious exertions of idealists who endeavored for the administration of religious ethics, it was administrable the decrees of God, support of prophet from economic rules, economic instructions of religion in prophet century. This article is to investigate the reasons for the reaction of traditional Muslims towards the economic rules of Islam in prophet century.