Yu Shushan's Ci and Fu in Xi 'an. He is good at calligraphy and painting and identification of ancient artifacts. Tianxi Zhang, who lived in the northern state of Jin in his early years and was a beginner in calligraphy, had a strong calligraphy style. After Jin entered Yuan Dynasty, Xian Yushu met Zhao Yugui in Yangzhou and became close friends. Influenced by this, he pursued the sages of the Tang Dynasty and learned from Zhong You Xiaoxin. Of all the books he can write, cursive is the most successful. His cursive script is taken from Zhang Xu and Huai Su, and he can integrate all his strengths into his own pen, forming a bold and unrestrained style. Liu Yuanguan's "Liu Wenji" says: "Being trapped in school makes the river full of vitality, the wine is drunk, poems are written, and strange things are born." Zhao Meng attached great importance to his cursive script. Ceng Yun said, "My servant and my classmates have cursive script, but my uncle has far surpassed it. Servants and forces cannot keep up. " (Zhu's Coral Wood Difficult) Objectively speaking, compared with Zhao Caoshu, Xian Yushu is not good at harmony, but better than Yao Jiaoqi. Although it is magnificent and heroic, it is a pity to ask for nuance in stippling. There are more than a thousand kinds of cursive scripts handed down from ancient times, such as Poems of Begonia by Su Shi, Poems of water curtain cave in Tang Dynasty, etc. Among them, water curtain cave Tang Poems is a rare masterpiece with fresh cursive script. This post is characterized by simplicity, form and spirit, supported by solid pen, and supplemented by virtual pen. Round and thick, with a thick opening. After reading this book, the virtuous fool saw two people pulling carts in the mud on the outskirts, and he realized the principle of brushwork, which should not be wasted.