The idea of"unity of heaven and man"advocates the harmonious unity of man and nature.The author traces the historical origins and cultural connotations of the traditional Chinese concept of"unity of heaven and man",and studies the development direction of modern tea set design under the harmonious concept of"unity of heaven and man"from three as-pects:human and object,object and object,and object and environment.This provides inspiration and thinking for innova-tive design of modern tea sets.