Li Bai's Yue-Fu poetry, as a extremely high art value of Chinese history. Academia already has defined different comments and explanations. But nowadays as poet's preconception, how to overcome for new achievements and express new emotional feeling and new experiences to the audiences becomes the achieve point of Li Bai's Yue-Fu poetry. Article starts with Li Bai's ancient Yue-Fu poetry as the discussion point. Compare Li's Yue-Fu poetry with previous poetry, one for discussing the expression differences between Bai Li Yue-Fu poetry and ancient Yue-Fu poetry, another for concluded Li's ancient Yue-Fu poetry achievements. Except point out Li's continuous and creative of writing expression in ancient Yue-Fu poetry, but also figure out Li's continuous and creative of writing expression could be redefined and clarified more clearly.