Abstract：This paper,taking Yu as a media,analyzes the development of Philosophy in Pre-Qin Dynasty.From the famous philopher,Laotzu,Confucius,Mozi in ancient time to Jixiaxue in the middle of the wartimes.Chinese philosophy turns its view from the whole,general to the concrete,individual,subjective.Both Laotzu and Zhuangzi exphasize "WuYu" and "Gua Yu".Laotzu deny the relation betwwen Yu and governning.Zhuangzi deny Yu because he thinks reducing or elimilating desire people can reach the realm of calmness so as to reach a kind of innate transcendence and obtain the final individual freedom.
