Zhang Xu (675-750? ), word, word, Han nationality, Wu (now Suzhou, Jiangsu) in the Tang Dynasty. Changshu county magistrate Zeng Guan and the long history of Jin Wu. Good cursive script, good wine, known as the world Zhang Dian, is also one of the "eight immortals drinking." At that time, his cursive script, together with Li Bai's poems and Pei's dance, was called the "Three Wonders", and his poems were unique and good at the Seven Wonders. The Eight Immortals with Li Bai, He and others. Tang Wenzong once wrote a letter, regarding Li Bai's poems, Pei Min's sword dance and Zhang Xu's cursive script as "three unique skills". He also wrote poems, and was called "Four Gentlemen of Wuzhong" with He, Zhang and Bao Rong. There are "Stomach Pain Sticks" and "Four-character Poems" handed down from ancient times.
Zhang Xu is free and easy, generous, outstanding, brilliant and knowledgeable. Du Fu befriended Li Bai and He Hao, and was listed as the "Eight Immortals of Drinking". He is a master of cursive script with great personality. Because he is often drunk, clamoring for madness, then writing books, and even writing with his hair dipped in ink, he has the nickname "Zhang Dian".