This poem has no name. This is Huang Tingjian's appreciation of Yang Ningshi (873-954 AD) inscribed by calligrapher Yang Ningshi. Huayin, Shaanxi. The prince was named "Yang" after he became an official in Liang, Tang, Jin, Han and Friday. He is good at poetry and calligraphy. According to legend, he "needs to linger in the mountains and rivers, enjoy eternity, have a lack of walls, look at the pen and write." Because of his indulgence, he was also called "Yang Fengzi" at that time. Yang Ningshi's study of Ou Yangxun's and Yan Zhenqing's calligraphy has always attracted unexpected interest. Mi Fei called his calligraphy "naive and romantic". Jiuhua Tie is a regular script. Because it is a ruler, it is very casual and interesting to write. From this article, we can also see the relationship between Yang Ningshi and Ou Yangxun's calligraphy. This post was published in Xuanhe Neifu, Song Huizong and Shaoxing Neifu, Southern Song Dynasty. Yang Ningshi has always been regarded as an important figure in the history of calligraphy. Song Sijia (Su Shi, Huang Tingjian, Mi Fei, Cai Xiang) was deeply influenced by it. In the situation of the decline of calligraphy in the late Tang Dynasty, it rose suddenly and stood out. He is a famous calligrapher who links the past with the future.