The expansion of economic relations in the shadow of diplomatic relations is considered one of the most important approaches to the development of political systems. This issue is especially important for developing countries so that they can implement an important part of their development-oriented policies by insisting on expanding economic relations with international economic powers. The important issue is that the Islamic Republic of Iran has faced deep challenges in achieving its economic development goals, many times, due to the sanctions policies of the United States. This problem becomes more realistic when the economy of the Islamic Republic of Iran is basically uniaxial and based on oil exports. Today, investment is called as the engine of economic growth and since investment leads to the creation of employment, economic growth, social welfare and income for the country and has a significant impact on components such as bargaining, international prestige and dealing with threats. Therefore, Iran's acceptance of China's investment as a superpower in the economic market and its oil strategies, in addition to securing the interests of both countries, will include the realization of the vision of the oil industry and the breaking of American sanctions against Iran. ; Therefore, from the point of view of Iranian politicians, the policy of looking to the East and attracting foreign investment and specifically strengthening political and economic relations with China is a correct strategic policy, which in addition to breaking the sanctions, can lead to internationalization and extensive interaction with the world, especially the countries The Eastern Bloc fought against it with the aim of preventing the United States from building a consensus in the international system and accompanying other international powers. تفاصيل المقالة