For a long time, the Southern region of Vietnam has become a research object of many domestic and foreign scientists because of the richness of history and culture as well as the nature of changes and disturbances in the formation and development. From the middle of the nineteenth century, Vietnam stood before the foreign invasion until the Western colonialists completed the task of putting their rule on this country, the Southern problem became more and more complicated from nature to expression. Southern Vietnam has a long history of more than 300 years since the trip in 1698 by Nguyen Huu Canh. More than three centuries have passed, this is the place where important historical transitions took place, which attracted the attention of many foreign scholars.