It is necessary for researchers and those involved in economic affairs to be familiar with the general directives or drawings that Islam has established in financial affairs. We cite what one of the distinguished researchers in Islamic economics said about these teachings, which is: "Islam did not bring them in isolation from other teachings, but rather it was always based on them." Teachings that preceded them, moral and doctrinal teachings that settle in the Muslim's conscience and make him submit to economic teachings out of his conscience. Voluntarily and by choice, then it is accompanied by governmental teachings that allow the ruler to intervene with his authority if the circumstances of society require his intervention to ensure its implementation.