Since Doi Moi was introduced, the external economy of Vietnam has been one of the fastest growing sectors in the country. It has grown continuously in terms of size and structure of international relations. The external economy has contributed a great deal to the development of the country in all aspects, especially economically. The external economy has contributed the most to the GDP, stimulating the development of other economic sectors to awaken economic potential and realize competitive advantages in Vietnam. It was in the external economy that economy improvements were first seen in the period of Doi Moi.