"Taoistic thought emulates nature" is the essence of Laozi s thoughts in Tao Te Ching."Taoism" is the most Abstract concept in his thoughts,which is power source of the generation of everything in the world."Moralism" is the development and performance of "Taoism" in the area of a family.In the rules or common sense,"Taoism" and "law" have the similar meaning,but they are different from western natural law."Law" should follow the example of the nature and play its role in dialectical reverse transformation.