Muhammad Irham, Saldi Isra, Yuslim, Khairul Fahmi
This constitution study is about creating a good character president through Islamic law in Indonesia. According to Islamic law, customs law, and Indonesian culture, the fulfillment of promises is one of the great attitudes. The fulfillment of the promise; for a president is a solution in an attitude crisis situation as happened today. This study used Islamic law methodology on the practical law to be obeyed by all of Moslem. Based on the existing theory, Islamic law is integrated in UUD 1945 or Indonesian constitution showing strong bound in one unit and have Relation each other (concentric). The Islamic law authority in the constitution will tie up the president. Hence, obeyed the constitution is a good character. This normative law research was performed using the conceptual approach; constitution approach and comparative approach; and constitution history approach, by collecting the data from libraries. The results showed how to create a good character president through obedience to pledge in every act or behave as UUD 1945 and Islamic law, giving constitutional assurance for a president in making any decision and policy as well as justice to Indonesian Moslem, and beneficial to realize customs value and Indonesian cultures.