Progressive Islam is a relatively new Islamic movement in the dynamics of the Contemporary Islamic movement. Progressive Islam places the domination of the social system of capitalism as its main problem. Progressive Islam aims to create change, which is pursued through the realization of its agenda, one of which is formulating a reality-based method of thinking. The problems and agenda of Progressive Islam parallel the problems and formulation of method of thought Tan Malaka. Tan Malaka has been against the social (...) system of capitalism. Tan Malaka has a methodological work based on reality, MADILOG. This study aims to show the parallels between Progressive Islam and Tan Malaka, and to position MADILOG as a method of Progressive Islamic thought. This study uses qualitative research methods with literature study techniques. The data in this study were analyzed using the sociology of knowledge approach and the philosophy of critical realism. The result is that the parallel between Progressive Islam and Tan Malaka lies in four aspects. Then, MADILOG can be positioned as a method of Progressive Islamic thought. (shrink)