The aim of this study is to determine the determinants of musyarakah financing in islamic commercial banks in Indonesia which are done using secondary data or quantitative data from the period of January 2015 to august 2019. The model used to analyse the results of this regression uses multiple linear regression analysis models assisted with software STATA 14.2. The dependent variable used in the research object is musyarakah financing, while the independent variable used in this study consists of inflation, exchange rates, return on asset, and third party funds. From the results of the processed multiple linear regression analysis, it can be explained that simultaneous inflation, the exchange rate, return on asset, and third party funds has a significant effect on musyarakah financing. But partially the exchange rate, ROA, and DPK has a positive and significant impact on musyarakah financing, while inflation has a positive and not significant effect on musyarakah financing at islamic commercial banks in Indonesia