One of the essential needs of human societies is the desire to evolve and achieve prosperity and facilities which is made possible by financial transactions. These transactions are not possible except through the mechanisms of international law in the commercial and financial sectors. With the growth of such cooperation, the need for international laws and regulations in these two sectors has increased every day to the point that even countries' domestic laws to facilitate trade have become a part of international law. In this paper, international financial law and the challenges of its implementation, along with the role of Islamic Jurisprudence financial law point of view, have been studied. A solution has been provided using the "Tazahom" perspective. Tazahom in Islamic jurisprudence means being between two interests, and naturally, these two are for the sake of society and based on the needs of today.