Chen and Bai's Nine Collections of Tunes of Qu, Thirteen Tunes of Qu and Jiang Xiao's Classical Nine Collections of Southern Tunes are the earliest known three kinds of southern tune scores. In the process of their construction, the establishment of tune modes, classification of tune names, and selection of examples were all influenced by the compliance thought of Yuan drama in Ming and Qing Dynasties. This discussion will not only help to reveal the establishment of the tune system of legendary dramas, but also help to examine the problems of Ming and Qing Dynasties.