Second, the first category is ancient heroic narrative poems, also known as "heroic epics". This kind of narrative poem is generally very long. Some of them are as many as several or dozens of macro masterpieces, such as King Gesar's Biography of Tibetans, Manas's Biography of Kirgiz, Jianger's Biography of Gelsler's of Mongolia and so on. ; There are also short stories with complete plots and self-contained systems, such as Biography of Oguz by Uyghur, Battle of Qian Ge by Qiang and Ah by Kazak. In the form of poetry, there are both verse and prose. In particular, the system of rhyming and prose makes heroic narrative poems widely circulated among the people in the form of rap and deeply loved by the audience.