Cao Guan is an important poet in the early Southern Song Dynasty, whose anthology Yan Xi Ci has quite distinctive features. It contains a lot of poems about visits, scenery and chanting. The poet is good at depicting picturesque scenery, writing preface, notes and allusions. His poems are elegant and plain, which is closely related to his unique personal experiences, the fashion of Ci-Poetry being elegant and his writing style which was influenced by Su Shi.