He was famous for his poems when he was young, and became famous in Beijing during the Dragon Boat Festival (705-707). In the early years of Kaiyuan, Bao Rong, Zhang Xu and Zhang, who were famous for their poems, were collectively called "Four Scholars in Wuzhong", also known as "Four Friends in Wuzhong" and "Four Masters in Wuzhong". He is a rich, generous and open-minded person, and a generation who can learn from romantic life. I especially like to improvise poetry while drinking until I run out of paper. The Interruption of the Sea by Zeng, Zhang Xu and Cui Zongsi, together with Song and Meng Haoran, are called "Ten Immortals". He and Zhang Xu are congenial, close contacts and in-laws, so people often call them "He Zhang". The two often travel together. "Every family has a good wall and a good barrier. Suddenly, I forgot the opportunity for development, and I put pen to paper for several lines, flying like a bug. Although Zhang (Zhi) and Suo (Jing) are not as good as ancient times. Good-hearted people provide them with a letter to pass on the treasure. " (Shi Su's "Jia Tai Hui Zhi")
Why his cursive script is famous. In Shu Shu Fu, he praised his cursive script as "excellent in writing" and "contending with nature, and arriving without manpower", while Lu Zongxu's book review thought that "the vertical pen flies endlessly" and Li Bai compared it to Wang Xizhi in the poem "Seeing the guests off to Vietnam", saying that "the mirror lake overflows with clear waves, and the fanatics return to the boat." Yin Shan Taoist: If we meet, we should write "Huang Ting" for the white goose. "Lu Xiang's poem" Send greetings to the prison, return to the meeting "says:" Qingmen resists thanking guests, and remonstrates against Wang Xianzhi. Chang' an plain book is biased, and the work is often cherished. "It's called Wang Xianzhi. At that time, people also called its cursive script, meteorite stone in our province, crane painted by Xue Ji and phoenix painted by Lang Yu as "four wonders" in our province. However, He's calligraphy is rare in the world. The only cursive script that can be seen now is the Book of Filial Piety, which is full of strokes, intense stippling, alternating shades, and virtual reality. The knot leans left and right, drifting with the tide; The composition is like flowing water, which fully embodies his romantic feelings. He's cursive script opened the prelude to the romantic atmosphere of cursive script in the prosperous Tang Dynasty. In addition, he is also good at regular script, and the palace is handed down from generation to generation!