This research analyzes the capital quality of Sharia Bank of State Entreprise using RBBR approach. This research employs descriptive method with quantitative approach. The variables used in this research are the factor ratio of capital at Sharia Bank of State Entreprise named KPMM, capital 2, and capital 3. The analysis intrument used in this research is statistical test using SPSS for Windows program version 16.0, using One Way ANOVA test. The research result shows that in general, there is a different level of capital at Sharia Bank of State Entreprise. From 2013-2015, the capital ratio (KPMM) of the three banks – Sharia Mandiri Bank, BNI Sharia, and BRI Sharia – still need to be improved