Ouyang Xun (AD 557-AD 641) was born in Linxiang, Tanzhou (now Changsha, Hunan) in the Tang Dynasty. Word letter. He was humble in appearance, but had an unparalleled acumen. When he read, he knew how to read and write, and he had a thorough knowledge of the classics and history. In the Sui Dynasty, he became Dr. Taichang. Emperor Gaozu of the Tang Dynasty was in Wudezhong, and he moved to Shizhong. In the early years of Emperor Taizong's reign, he became the crown prince, led Gengling, and became a bachelor of Hongwen Hall, and was granted the title of male from Bohai County. He died at the age of eighty-five. Gong Shu, Wang Xizhi first learned calligraphy. Later, he gradually changed his style. His writing style is as powerful as an arsenal of spears and halberds. It is unique and unique. It is known as "European style" in the world, also known as "Shuigeng style". When people get the writing on rulers and tablets, they think of them as a model. Goryeo valued his book very much and sent envoys to ask for it. Emperor Gaozu sighed: "Unexpectedly, the title of the book spread far and wide among the Yi and Di people. When they looked at its traces, they thought it was burly in shape!" Together with Yu Shinan, Chu Suiliang, and Xue Ji, they were also known as the four great calligraphers in the early Tang Dynasty. He had a huge influence on later generations, and together with Yan Zhenqing, Liu Gongquan and Zhao Mengfu, he was known as the four great calligraphers. He wrote "Fu Shannu's Teaching Techniques" and "Brushwork Techniques", and co-edited one hundred volumes of "Yiwen Leiju" with Chen Shuda and Pei Ju.