In view of the age and theme of Biography of Mr. Wuliu since ancient times, this paper confirms that Biography of Mr. Wuliu was written by Tao Yuanming before he was twenty-nine years old (before he became an official) from the aspects of historical records, poetry evidence, the development boundary of Tao Yuanming's thoughts and feelings, and poetry style. From the perspective of "escaping from the ambition of the world", this paper analyzes the theme and style of "Biography of Mr. Wu Liu", and expounds the view that the elegance on the surface of "Biography of Mr. Wu Liu" masks the despair and indignation of society and the hatred and contempt for the world. The Biography of Mr. Wu Liu is actually a noble and beautiful article that tries to get rid of a god in the desperate situation of society and the future, thus trying to express self-personality, and it is also a wonderful article that dies.

Keywords: youth's sadness, cynicism and cynicism