The research focuses on the important role that foreign trade (especially oil exports) poses in doubling or reducing reserves through the element of leakage resulting from imports that are restricted by the Central Bank and the Ministry of Finance. Based on the research hypothesis of the impact of foreign trade on foreign exchange demand and the Central Bank of Iraq's reserves, exports and revenues have shown that foreign trade has an impact on foreign exchange demand and the Central Bank of Iraq's reserves, according to changes in global oil prices, there has been a change in Iraq's foreign exchange earnings. Obtained by the Ministry of Finance and then exchanged a section in Iraqi dinars with the Central Bank of Iraq to cover its internal expenditure; The remainder of her foreign exchange is approved to cover her imports.