In Chinese culture,"Heaven" (天) is somehow like "God" in west world.The character of Heaven is that of human.This article is to emphasize that Heaven in Luzi is catalogued to "Yi" (义)-behavior regulation,its final destination is the beauty of the world;however in Dongzi Heaven is catalogued to "Ren" (仁)-kindness of will,the goodness of the world is its final aspiration.The different foundations of Heaven represent the change of direction in Chinese cultural development.