General Secretary Xi Jinping once said,"Cultures become diverse through exchange and rich through mutual learning.Intercultural exchange and mutual learning are important impetuses for the progress of human civilization and world peace and development."Adopting a perspective of cultural evolution,this article will attempt to demonstrate two points.First,diversity is the most essential and important characteristic of human civilization.Second,accompanying the advancement of modernization and globalization since the advent of modern times,diversified cultures have increasingly assumed a common responsibility-building a shared home for all humanity.