Settlement of Disputes is considered as one of the most important goals that World Trade Organization established for, since all disputes arising between member countries are subject to settlement in accordance with the rules and procedures mentioned in the agreements, in addition to the liberalization of global trade with regard to goods, services, and intellectual property rights, through several basic principles such as ,the principle of non-discrimination between foreign and national goods, such as offering any advantage or preference on a member state in favor of another country with regard to imported goods, with the exception of exempting regional economic blocs from applying this principle, another principle is the principle of national treatment which means not to deal with foreign goods after they cross national borders, pay the customs charges, and enter the local market. Government purchases are excluded from the application of this principle in the event that the purpose is not to put them on the local market in addition to the previous principles, there is the principle of the rule of not referring to quantitative restrictions in trade, other than customs duties and other taxes imposed on import and export, this aims to ensure indirect protection for the local product. The countries of the Gulf Cooperation Council have endeavored to facilitate international trade by adhering to all applicable rules and regulations in accordance to the organization's accession protocol, and reviewing legislation and legal systems in line with the requirements of the World Trade Organization, and this is evidenced by the establishment a directorate with the name of "World Trade Organization Directorate", and "Trade International in Practices Injurious Anti for Secretariat Technical of Bureau-GCC", under "The Economic Development and Affairs Sections", this aims to manage the trade system, trade negotiations, and countering harmful practices. The researcher concluded a number of conclusions, importantly that the countries of the Gulf Cooperation Council enjoy full membership in the World Trade Organization, which has resulted in a set of obligations and privileges within the framework of the World Trade Organization, and the diplomatic methods that are resorted to after the parties' agreement are among the most important means of settlement to resolve disputes, which creates a kind of parity between developing and developed countries the fact that resorting to it comes from the agreement and consent of the parties