The “Belt and Road” six economic corridors include the New Asia-Europe Continental Bridge，the China-Mongolia-Russia Economic Corridor，the China-Central Asia-West Asia Economic Corridor，the China-Indochina Economic Corridor，the China-Pakistan Economic Corridor and the Bangladesh-China-Myanmar Economic Corridor，which formulate the main structure of the “Belt and Road” Initiative. China’s borderlands are the important way for the six economic corridors to connect China with more than 60 countries and regions all over the world. China’s frontier provinces have taken measures to actively participate in the construction of six international cooperation corridors. Since the construction of the six corridors is still in its infancy，this paper has qualitatively combed the progress of the construction of the six international cooperation corridors in recent years，and made suggestions for further deepening the participation of Chinese frontier provinces in the construction of corridors.