The major styles，flavor & motives of the commentary of Chinese Ancient Opera were nearly the same as the traditional poems，prose and novels'，but the major content of the commentary of T Chinese Ancient Opera had a lot of differences with the latter.The difference was that the commentary of Chinese Ancient Opera had a function in leading the readers to accept both the texts and the stages，but the commentary of Chinese Ancient Opera，prose & novels didn't have the same purposes.So many earlier styles of the commentary of Chinese Ancient Opera were just like the audience's sentiments so that they were faint in theory，but critics at a later stage constructed their theories purposively.In short，for the aims of theories construction，the commentary of Chinese Ancient Opera had to abide by the rules of the poems，prose & novels conscientiously.