The article contribute to the clarification of some issues about perspective and folklore methodology of Nguyen Dong Chi through The Treasure of Vietnamese Old Folk Tales, one of his major works
i.e. the criteria of determining an old folk tale, including the classification of old folk tales, the generalization of Vietnamese Folktales' features, Vietnamese thinking features expressed in Vietnamese folktales such as the stereotypes of just / unjust - good / evil, the appellation of the folk heroes, the role of heroines in old folktales, and the close-knit relationship among the contents of folktales, nature and country... With those characteristics, Nguyen Dong Chi initially defines the self-motion of Vietnamese folktales in relation to other cultures in the region.