Sofhian2019-09-252019-09-252015-09-302015-06http://hdl.handle.net/20.500.12424/227777"The study of riba was not only discussed seriously by Muslims but also other religions. In Islam, debate about riba and bank interest indicated that the problem of riba very closely related to the issue of muamalah especially those that occur in Banks and Non- Bank financial. This paper examines the substance of the issues of interest in a rational perspective, and at the end of this journal offers loss and profit sharing system as an alternative solution to the system of interest in transaction systems of bank and non- bank."engWith permission of the license/copyright holderribarationalityprohibitionmuamalahEconomic ethicsBusiness ethicsTrade ethicsReligious ethicsSpirituality and ethicsMethods of ethicsTheological ethicsPhilosophical ethicsCommunity ethicsEducation and ethicsJournal volume