Personal introduction: Liu Gongquan (778 -865) is sincere. Jing Zhao Huayuan (now Yaozhou District, Tongchuan City, Shaanxi Province) was an official, calligrapher and poet in the Middle Tang Dynasty, and the younger brother of Liu Gongzhuo, the minister of the Ministry of War.
Twenty-nine years old, Liu Gongquan was the top scholar. In his early years, he served as the secretary of the provincial school and went to listen to the shogunate Li. He was an official in Mu Zong, Jing Zong and Wenzong, and grew up in Korea. * * * He worked as an official in the Seven Dynasties. This official is Prince Shao Shi, who was appointed as the official of Hedong County. Therefore, he is called Liu in the world. In the sixth year of Xian Tong (865), Liu Gongquan died.
Liu Gongquan's calligraphy is famous for regular script. He learned from Wang Xizhi at first, and later visited the famous calligraphers in the Tang Dynasty. He absorbed Yan Zhenqing's strengths and new ideas, and created his own unique "Liu Ti", which was famous for its infinite strength and was later known as "Yan Gu". He is also called "Yan Liu" with Yan Zhenqing, and "four masters of regular script" with Ouyang Ci, Yan Zhenqing and Zhao Mengfu.