Abstract: It is a pioneering work to establish an international tourism cooperation zone in the border region of Altai Mountain for China, Russia, Kazakhstan and Mongolia. Based on the strategic concept of "building Silk Road Economic Belt" proposed by the Chinese president Xi Jin-ping, adapting to the development situation of economic globalization and regional economic integration, the connotation and Theory basisof transnational tourism cooperation in Altai Mountain were discussed. From economics, sociology and international relations perspective, the paper described the significance and value of transnational tourism cooperation in Altai Mountain, and also put forward the idea of constructing the transnational tourism cooperation mechanism of Altai Mountain between China, Russia, Kazakhstan and Mongolia. The research results will provide decision-making reference for the construction of transnational tourism cooperation zone in Altai Mountain.

Key words: Altai Mountain, Transnational Tourism Cooperation, Mechanism Construction