Flying doctrine was founded in Chengdu, Xichang, Sichuan in May 1986, initiated by Zhou Lunyou, Yang Li and others. The theories and works of various schools are mainly published in Feifei Magazine and Feifei Review edited by Zhou Lunyou. In addition, the collection of Fei Fei's theory and works of 1994 "Opening the Door of Body/Fei Fei Doctrine: From Theory to Works" was published. Feifeiism advocates the artistic conception of "fantasy", and its writing tendency seems to be open but closed, but their purpose for poetry is always clear. Non-African poets pay attention to language experiment, language reduction and pre-cultural exploration of sound and language symbols. They just don't pay attention to the cultural significance of language symbols and don't advocate "talking about" any "meaning" in poetry. After 90' s, non-non-non-non-ism entered the period of "2 1 century writing" and "post-non-non-non-non-non-non-writing". "