The development ofthe public mindsetforbusiness, causethebanksto contendin offeringcooperation inbusiness. Competition in mudharabah dan musyarakah financing must give profit for the bank and customer. Income frominvestmentsandworking capitalfinancingwill be usedtopaybackthe bank.The purpose of this research is to analyze the influence of mudharabah and musyarakah financing toward the level of probability on Syariah Public Bank of Indonesia by using ratio Return On Equity (ROE). The method of this research is descriptive analytic by using quantitative approach. The sample used 20 data includes 5 Syariah Public Bank in 4 years. The sample was selected by using purposive sampling. Method of data collection by documentation. The data analysis was used by multiple linier regression analysis. The result of this research showing that mudharabah financing give negative and significant influence on the level of ROE, and on musyarakah financing give positive and significant influence on the level of ROE by parsial. By simultaneous, mudharabah and musyarakah financing give significant influence on the level of ROE. Mudharabah financing is the most influence financing on the level of ROE.