Historically, in the system of international relations, small states have been the object of power, not its source. However, at present there is an increasing involvement of small states in international processes and a continuing re-definition of their role in the international system. The foreign policy of Qatar is a perfect case to study these processes and to test the new theories. The article is devoted to the consideration of the tools of Qatar's foreign policy influence, which it successfully uses to protect and promote its own interests. Considering that this state is limited in terms of strategically important factors, such as area, population, diversity of natural resources, it has managed to gain significant importance in international affairs in the Persian Gulf and the Middle East. This is due to a successful combination of the following factors: wealth, the image of a stable, progressive, and investment-friendly country and active diplomacy, which together make up its power potential.