Throughout Vietnam history, the period 13th-15th centuries marked the throne establishment and maintenance of three different reigns: Tran, Ho and early Le. During this period, Tran reign lasted 175 years (1225-1400)
the throne of Ho existed only 7 years (1400-1407) and early Le kept the power in 99 years (1428-1527) in the total 361 years (1428-1789) of the post Le dynasty. The Tran monarchy maintained power the longest in comparison of these reigns. From internal and international historical evidence, the author tries to figure out Vietnamese typical history, society features then and clarify economic policies as well as international trade activities, namely porcelain of three reigns focusing on Tran and early Le with East Asia nations.