This method used to do determination of the law on based exciting globally, Different with the methods above, method al-ta lili based not to postulate exiting explicitly, but is imp[licit. just role ijtihad this in line strictly to spirit text. determination of the low legal done by means of weighing a postulate law problem s that a consider next method al istishlahi is rensoning or ijtihat whice is based on consideration the public good. in other words statute low for a problem is set based on the principle whereabouts the public good; This metode used through thee approch mashlahah mursalah, approch the anglo-saxouns fikih and approch maqashid-alsyariah.
kata Kunci: Ijtihad, determination of the Imo, postulate, principle of law