The Epic of King Gesar in Tibet China and its oral transmission practice is a precious and classic case of human cultural inheritance. This epic contains rich cultural resources of the Tibetan ethnic group and information of historical development and changes. In the process of its inheritance, “communicative memory” and “cultural memory” are fully intermingled, and rap art is integrated into vivid and rich daily interactions among groups in the context of ethnic culture. Thus, a shared memory of the nation is being constructed. As a carrier of collective imagination and cultural identity for the Tibetan people, the epic enriches the culture of the Chinese nation.