The ancient epic is first of all a literary genre, based on legends and folk songs. It is a literary work with certain historical value before history came into being. It can't be regarded as a history book, because epic has not been separated from the category of myth and folklore. The real value of epic lies in its panoramic reflection of people's life in a certain historical era. Every epic is specific to history and nation. We can't dissect a concrete epic with an abstract model of a general historical era.

Nor can we use the rulers of ordinary human society to cut the rich national cultural connotation of epic. Epic has a special connection with history,

But even if the historical imprint of the epic is very clear,

It is not a chronicle record, or even an artistic representation of specific historical events. Epic is the research object of history, but it is not a historical work.