Sukarno called on Muslims to "dig fire Islam", because Soekarno see that Muslims in Indonesia and in the world at that time, only inherited the "gray" and "extremely" dead and static of cultural heritage. Islam setback due sacralization and the consensus of the scholars of fiqh which then led to the closing of the door of ijtihad, Fiqh even have to be the executioner spirit spirit of Islam. The question of the veil, purification former dog licking, blood transfusion, the difference bank with usury should do if Islam is to advance reconstruction. The debate about the kind of country between Soekarno represent nationalist-secular-Islamic nationalist group spawned the first principle of Pancasila formula that Almighty God who is the accumulation of interest. In addition to the debate, Soekarno also face the question of parliamentary systems that are experiencing the vicissitudes until Sukarno's Guided Democracy initiated. Soekarno initiated the concept of nationalism NASAKOM or integration (PNI), socialism (PKI) and religion (NU) with the support of the military. Based on the above background, this study aims to first identify the idea of secularization of political Islam in Indonesia amid the current Muslim thought that adopts the integration of religion and state. Second, find a way of thinking about the secularization of political Islam Sukarno in Indonesia. The method of analysis in this study uses historical analysis to scrutinize the source of the tape and relics of the past with the approach and perspective to understand the thinking of political interpretation Soekarno in the secularization of political Islam. The authors conclude that Islam in Indonesia are two influences, the traditional and the reformer. Soekarno many enlightened Islamic thought and ideas capable of making it as a modernist Islamic thinkers influenced by the ideas Umar, Ahmad Dahlan and A. Hasan. While the question of the state, faced with two groups, the Nationalist-secular and nationalist-Islamic. Soekarno bring equality between the two groups with significant renewal of Pancasila especially please the Almighty God. Other forms of secularization which is guided democracy as an attempt to bring unity and national unity after the rise and fall of a parliamentary democracy. Other forms of secular ideas NASAKOM, as accommodating to the three great powers in Indonesia with military support. Some thoughts on the making Soekarno as the secularization of political Islam. So Modernist Soekarno as secular.