Judging from Li Bai's "It's Hard to Go", Li Bai's handwriting is too white, in the name of violet laity and fallen fairy. He was a great romantic poet in Tang Dynasty, and was praised as "Poet Fairy" by later generations, and was also called "Du Li" with Du Fu. In order to distinguish them from Li Shangyin and Du Mu, namely "Little Du Li", Du Fu and Li Bai are also called "Big Du Li".