The book analyzes the basic characteristics of the Vietnam-China mainland borderline based on the seven northern border provinces of Vietnam and two provinces in China. The author focuses on assessing the current status of the Vietnam-China border cooperation mechanism from the following aspects: Economic development cooperation mechanism; Cooperation mechanism for infrastructure development; Cooperation mechanism on national defense and security; Cooperation mechanism in border economic zones between the two countries; Cooperation mechanism in the operation of Asian Infrastructure Investment Bank (AIIB); Cooperation mechanism in the initiative "One belt, one road"; Cooperation on border management and customs clearance in the new context.