At the moment, all three states have already reached mutual understanding on the issue of specific planning in the framework of the creation of the economic corridor "China-Mongolia-Russia". If we consider this project from the point of view of existing prerequisites, development opportunities, favorable conditions and friendly relations between three states, it becomes obvious that at the present moment there is a favorable time, geographical advantages of the area, harmony in human society for the development. In the process of creating an economic corridor, all three states adhere to the principles of "joint discussion", "joint construction" and "joint use", overcome limitations, promote mutual benefit and unified development.