摘要:The function of Islamic Bank is a financial institution that conducts business activities based on the principles of Islamic Law and operational activities carried out through collecting funds from the public in the form of savings,current accounts,and deposits that will be disbursed by the bank to the public in the form of financing. The large funds raised by the bank will increase financial disbursed. The purpose of this research is to find out about Third Parties Fund,Non Performing Financing and Murabahah in PT Bank Syariah Mandiri and to analyze and explain them partially and simultaneously. Research method used is descriptive quantitative with data obtained from the quarterly financial statement of PT Bank Syariah Mandiri. The results show that Third Parties Fund,Non Performing Financing,and Murabahah continue to fluctuate. Meanwhile,the research hypothesis test shows that the variable of Third Parties Fund has a significant effect on Murabahah,while variable of Non Performing Financing has no significant effect on Murabahah.