The “corridor” constructed jointly by multi-nationalities provides a space of cultural dissemination for Legend of King Yu Tamed the Flood the in Hexi Corridor. Legend of King Yu Tamed the Flood spreads on the flowing cultural “corridor”, relying on various narrative forms of cultural media. It deeply promotes the localization of the Legend of King Yu Tamed the Flood. The situation of integration and harmony between ethnic groups and Common value orientation of multi-ethnic humanities and religions are explored and taken through the multicultural elements embedded in the legend so that the “cultural integration” hidden in the legends and stories can emerge.