(Tang) Du Mu
Du Mu (803 ~ 852) was born in Mu Zhi, Jingzhao Wannian (now Xi, Shaanxi). Poets in Tang Dynasty. Du Mu is the grandson of Prime Minister Du You. At the age of twenty-six, he was a scholar in the middle school and served as a librarian of the museum. Soon, he served as the chief of staff of China's diplomatic envoys in Jiangxi, Xuanhua and Huainan, and later served as the censor, scholar, foreign minister, secretariat of Huangzhou, Chizhou, Zhou Mu and Huzhou, and finally wrote a book. Du Mu has outstanding knowledge in politics and military affairs. He used to study history in connection with current events and annotate the art of war, but unfortunately it was not used by the rulers. Du Mu is good at poetry and advocates the theory of "literature is based on meaning". The poetic style is bold and beautiful, especially the quatrains. In order to distinguish it from Du Fu, later generations called it Xiao Du, and in order to distinguish it from Li Bai and Du Fu, they called Du Mu and Li Shangyin Du Xiaoli, which shows Du Mu's position in the history of literature.