Jianan Period is the historic turning point of Chinese poems which emphasize temper.Ca- ozhi's poems show many tragedies and hates and are very surging.With great quantity and perfect quality,Caozhi's poems ended the situation of shaking and lingering when concerning about the de- scription of ambition,events and feelings,as a result,Caozhi's poems established the lyric—style Chi- nese poems.Since then,Chinese poems are full of lyric—style poems.This is a great contribution of Caozhi to Chinese poems.