It is a taoist scripture was written by Chuang tzu and his successors in the Warring States period. "Chuang Tzu" and "Tao Te Ching", "I Ching" called "three mystery"in ancient China.Its content is rich, extensive and profound, involving philosophy, life, politics, society, art, the generative theory of the universe and many other aspects.It has a profound influence on the development of Chinese literature. In modern time many scientists inspired by Chuang Tzu, such as Heisenberg, Einstein and so on.