The growth of sharia banking in Indonesia is significant, it's signed by more of sharia banking institution was build. One of sharia banking product which most usely is murabahah. In the practice of fines payment delays in installments which reffering to Fatwa No. 17/DSN – MUI/IX / 2000 was right. Thats have an impact to increasing prudential for sharia banking and for customer that have an impact to educative and preventif. This article use a descriptive analityc method and use secondary data source like book, article and other document from OJK's website or other valid sources.