In the mid-1970s, he jumped the queue in the countryside and entered the university after resuming the college entrance examination. 1983 to 1998, mainly engaged in contemporary poetry criticism and poetry history research. He was the main critic of avant-garde poetry in the 1980s, and published a large number of subsequent poetry criticism articles. After 1992, he turned to the study of the history of poetry, the study of the relationship between Li Ying and social ideology in the 1950s, and the study of forefinger poetry and canonization, and achieved remarkable results. Related works include History of Contemporary Poetry in China, Poetry Criticism in Cheng Guangwei, etc. 1999, after Selected Poems of 1990s was published by Social Science Literature Publishing House, there was a great discussion about "intellectual writing" and "folk writing" in the poetry circle. This phenomenon has been recorded in many contemporary literary history in China. From 1998, he gave up poetry criticism and research, and completely turned to the study of contemporary literature and culture, important novelists and literary history in China. I have been studying the turning point of literature for two or three years and seventeen years' literature. My published works include Cultural Transformation-Luba Grass in China (1949- 1976) and Literary Imagination and Literary Country-Research on Contemporary Literature in China (1946). In recent years, the research on the history of literature in the 1980s has attracted much attention, and columns such as Returning to the 1980s (hosted by Li Yang), Knowledge, Power and the 1980s, and NPC Classroom and Literature in the 1980s have been set up in magazines such as Contemporary Writers Review, Contemporary Literary World and Journal of Hainan Normal University. The purpose is to clear up some problems left over from the history of literature through the "re-discussion" of literature and culture in the 1980s, and to explore the cultural climate, extraterritorial influence and complex power relations in the process of forming the knowledge position in the 1980s. Its strategy of "rereading" is not a simple historical restoration, but a clear understanding of contemporary writers and scholars' "today's" knowledge position and a dialogue with China literature after the 1990s.