This paper researches the channels of RMB internationalization based on the perspective of “The Belt and Road” Initiative. Through analyze economic situation and RMB internationalization status in “The Belt and Road” region，this paper finds out the economic of “The Belt and Road” region is growing rapidly although it lags behind yet，their level of inflation is similar although their infrastructure is inferior；cross-border trade in China is higher dependent on “The Belt and Road” market than “The Belt and Road” region dependent on China’s market；the scale of currency swap and foreign reserve of RMB should be improved. Therefore，China could implement trade deficit in region to increase the output of RMB overseas；encourage valuating and settlement by RMB in infrastructure construction，meanwhile extend the offshore RMB market in “The Belt and Road” region，impulsing the process of RMB internationalization.