Abstract: “The article aims to underline the distinguish approaches between Islamic and Conventional financial system, and to show the healthy approach of finance, from all beneficiaries perspectives individuals, financial institutions and governments. The author intentions are to find out which system can sustain a healthy economy, resist to financial turbulences, and help individual and businesses to develop themselves and the entire society. In addition, yes, through this paper, the study found out why Islamic financial system is more sustainable, secure and pass successful the financial crisis from 2008. Furth more, the research paper concludes that for an economic sustainable development these two-financial systems can come together, learn from each other. The current dynamic movement of the world economy finances, it creates the framework for Conventional financial system to be able to develop and offer Islamic finance products and services. Even more, in the present time, banking system st”

Keywords: conventional finance; islamic finance; banking system; taxation; financial and banking products; finacnial crisis.