This article take ”the Zhuang-zi theory” as the discussion category, regards it as a whole, namely follows thoughts of ”Zhuang-zi” in the book.Based on this, the author uses words of Kuang Yao, which matters other than basic principles of ”Zhuang-zi”, ”This fellow already arrive at the highest boundary! This kind of spatial, ascertains by way of the feeling. I have not been able to achieve that kind of non-feeling spatial. How this fellow does that is way beyond comprehension! ”as discussion object. Besides the explanation of text, the author also wishes to analyze how the thought of ”non non” in the Zhuang-zi theory was inherit from Lao-zi's thought of ”does not have”, also how it pass through in the book of ”Zhuang-zi”, and his idea on life, death and knowledge, manifests his thought.