Promote development. Xi'an drum music originated from Yan music in the Tang Dynasty, and its significance for the study of Chinese music history is to promote development. Later, it was integrated into court music. During the Anshi Rebellion, it flowed into the folk with the exile of court musicians. Xi'an drum music still maintains a fairly complete repertoire, notation, structure, instruments and performance forms. Xi'an drum music has rich repertoire, extensive content, diverse modes and styles, and complex musical structure.