This paper reviews the history of the Studies of the Dunhuang literature in the 20th century in China. Accomplishments of research Studies of the Dunhuang literature are divided into four sections:First, a large number of the biographies concerning Studies of the Dunhuang literature were published;Second, studies of Bian-wen, an important literarg form in Dunhuang, had made considerable headway;Third, data of the poems and Chinese tarditional operas and others were collected, collated and studied;Forth, scope of the Dunhuang literature has been enlarged from" poplar literature" or" folk literature" to every domain of the Dunhuang literary fields.