Achieving Gulf national security has become a major importance for the countries of the Gulf Cooperation Council, especially after the growing challenges they face in this regard, and with the expectation of the emergence of other new challenges with the decrease in the volume of trade exchange between the countries of the Gulf Cooperation Council and Iran, as the volume of trade exchange between Iran and the Arab countries in particular has been affected With the Arab Gulf states with the end of the Arab Gulf War and the emergence of the idea of ​​isolating Iran from commercial exchange with neighboring countries, especially the Arab Gulf states, even though the value of the surplus in the trade balance in Iran amounted to about $32 billion annually, While the surplus in the trade balance in the countries of the Gulf Cooperation Council reached about $422 billion annually, the value of Iranian exports amounted to about $72 billion, while the value of exports in the Gulf Cooperation Council countries amounted to about $811.2 billion annually, and the value of Iranian imports amounted to about $40 billion and the value of imports in the Gulf Cooperation Council countries reached about $279 billion annually in 2016, and compared to the volume of trade in Saudi Arabia, which has many natural resources that contribute to the development of its foreign trade movement and that contribute to building many commercial and economic relations with all the countries of the Gulf Cooperation Council, where the value of the Saudi trade volume reached about 13.8 billion Saudi riyals, while the balance of trade reached about 7.6 billion Saudi riyals in 2016, and the study is concerned with the Iranian-Gulf trade exchange and its impact on the Saudi economy despite the strengthening of trade, economic and political relations with Iran.