ABSTRACTThe Name of Ibn Taimiyyah often identified to Wahabi’s movement. The thought of Taimiyyah often blamed for the influence to Jihadist movement. So the research about Ibn Taimiyah’s thougt very important to do. In the exploration in Taimiyyah’s concept, the writer found some pieces of Taimiyya’s teachigs relevant to the current theories. One of them is the Price Formation in the Market and the role of Government in making the Price Regulation. And Taimiyyah’s Statements corespondent to Adam Smith’s Classical Economic Theory. Furthermore, islam have managed about price market protection. This Paper will discuss about the mechanism of price formation in market, the inhabiting factors in Price Formation in Market, the dangers caused b...