The purpose of this work is to study the empirical framework that highlights the nature of the relationship between financial development and economic growth while taking into account the role played by Islamic finance as a catalyst for economic growth in the direction of economic development. Investment and public spending and makes human work more efficient (education). Our empirical attempt looks at the impacts between traditional financial development and Islamic financial development on economic growth using several estimation methods, namely the fixed effects method, the random effects method, the GMM method in first differences and the GMM method in system for our MENA study region for twenty successive years (1990-2009).