Wang Daokun was one of the important leaders at the later stage of Post-Seven-Masters in Ming Dynasty, writing the collection of poetry named Book of Taihai (Collected Works of Taihai), the traditional play Dayatang Zaju, and the literary comment Preface to Shuihu by Tiandu Waichen.

For the present, researchers pay much attention to collation, collection andhermeneutic on Yuan Drama, while the grammatical research on it is far away fromenough, thus we select the conjunctions on The Drama of Four Masters to do someresearch.