Yi literature has significant ethnographic attribute, moral education function and community function. First, it''s a cohesive structure to construct the basis of cultural memory and serve as the carrier and representation of the historical memory and knowledge map of Yi nationality. Second, it''s a special text for inheritance of principal Yi culture and for dissemination of its moral spirit, and plays an important role in moral education ranging from personal virtue to social ethics. Third, it''s a memory converging locale for community connections, demonstrating in all respects Yi nationality''s active and ingrained recognition. We sholud pay attention to the subjective cognition and conscious expression in literature of minority groups, and expand and deepen our research into minority literature to provide stronger experiential and cultural support to strengthen the consciousness of the Chinese nation community