Zhang Youzhi (1006-1062), courtesy name Boyi, was a native of Jian'an, Fujian, and a native of Pucheng. He is a calligrapher specializing in seal script. The following seal script chapter in Volume 2 of "Xuanhe Shupu" contains Youzhi, "Extreme knowledge of classics and history, not for advancement." Gong Yuzhi calligraphy, Jia Youzhong, and Yang Nanzhong's seal script "Shi Jing" were in Guozijian, which was called it at that time. Taichang Shaoqing came out to lead Suzhou in the Yuan Dynasty. He liked his books and was rich in them. When he came to Suzhou, he copied all the stones to spread the word. This is why there are many seal marks in the Eastern Wu area. Youzhi became famous for this book. , so the women in the family also don’t know the writing skills, which are aggressive and lifelike, and people can treasure them. The speaker said. Since the death of Li Si’s seal script, he got a Yang Bing, and after Yang Bing got a Xu Xuan, and you are still at the gate of Xuan, he is still You, Xia Jie!"

The postscript of Yan Liben's "Bu Chao Tu" is the earliest seal script calligraphy work circulated so far. It is the postscript written by Zhang Youzhi for Tang Dynasty's "Bu Chao Tu". His seal script has a well-proportioned structure, and the strokes are round, graceful and thin. Because they resemble ivory chopsticks (chopsticks), they are called jade chopsticks. He is also proficient in physiognomy, knows the rhythm of music, is good at playing chess, is good at painting turtles and snakes, and writes with seal script. There are also fifty-seven.



Seal Script Yan Liben’s Diagram and Postscript of the Step Chariot Collection of the Palace Museum