Abstract: China and Myanmar are linked by mountains and rivers, and enjoy a deep friendship with each other. The border between China and Myanmar is the frontier and window of the economic corridor between China and Myanmar. The cross-border ethnic groups of China and Myanmar not only play an important role in the construction of the economic corridor between China and Myanmar, but also a role in the carrier and medium of the national culture exchange. At the same time, the construction of China-Myanmar economic corridor has brought new opportunities for the economic and social development of cross-border ethnic communities in China and Myanmar.

Key words: “One Belt and One Road”, Sino-Myanmar Border, Sino-Myanmar Cross-border Ethnic Groups, Sino-Myanmar Economic Corridor Construction