‘Fixed Form and Association Chapter of Songs’ refers to a ensemble song and poem combination with consistent tunes, consistent content, and a fixed format for sentence patterns and paragraphs and first defined by Mr.Ren Erbei in 1954, and he presented <Shi’ershi> and <Wugengzhuan> to Representative Poems in his book ≪Dunhuangqu Jiaolu≫, and they are recorded in Dunhuang Papers discovered by Paul Pelliot. He knew Chinese and understood Buddhism, so ‘Fixed Form and Association Chapter of Songs’ appreared with Buddhist scriptures in Pelliot’s Dunhuang paper.
Also there are other manuscripts which informs the situations of the time. So by researching at the other parts as well as known poems, it is possible to guess the social situation of the time. Dunhuang manuscripts research in ‘Fixed Form and Association Chapter of Songs’ provides a detailed picture of how entertainment styles were presented at the time by scrutinizing and revealing other parts of the collection, other than lyrics or Buddhist scriptures already collected or studied.