One dynasty has its own modes of literature. Just as the Tang dyhasty has Tang poem ,the Song is Song ci ,and the Yuan is Yuan drama .Yuan drama is the last modes of Chinese ancient verse,So,undoubtedly, it has its character :contradictory and unity of elegant?popular, opposites and blend of short lecture.deep implication. But each thing has source .The relationship of Yuan drama and Tang poem. Song ci is not so clear ,they are just like that black comes from blue but different from it.
