1. Chu Suiliang
Chu Suiliang was a calligrapher. He learned Yu Shinan at first, and later took Wang Xizhi from France. He was also called "the four masters of the early Tang Dynasty" with Ou Yangxun, Yu Shinan and Xue Ji. His ink handed down from generation to generation includes Master Meng's Monument and Preface to the Wild Goose Pagoda.
2. Ou Yangxun
Ou Yangxun is proficient in calligraphy, and he is called "the four great masters in the early Tang Dynasty" with Yu Shinan, Chu Suiliang and Xue Ji. Because his son Ouyang Tong is good at calligraphy, the father and son are collectively called "Big Europe". Calligraphy is in danger in the middle of the flat, and the number is "European style". Masterpieces: The regular script includes Jiuchenggong Liquan Ming, Huangfu Birthday Monument, Huadu Temple Monument, and the running script includes Zhong Nimeng Diantie and Running Script Thousand Characters. He has his own unique views on calligraphy, including calligraphy works Eight Tactics, Teaching Tactics, On Writing with a Pen and Thirty-six Methods. The inscription on the stupa of the Zen master in Huadu Temple, the tablet of Yu Gonggong Wen Yanbo and the tablet of Huangfu Birthday are called "the first regular script in the Tang Dynasty".
3. Yu Shinan
Yu Shinan is good at calligraphy, and together with Ou Yangxun, Chu Suiliang and Xue Ji, he is called "the four great masters in the early Tang Dynasty". Bei Tang Shu Chao is one of the four major books in the Tang Dynasty and one of the earliest existing books in China. The original poetry collection of 3 volumes has been lost. In the Republic of China, Zhang Shouyong compiled into four volumes of Yu Mi Jian Ji.
4. Feng Chengsu
During the Zhenguan period, he started his career as a provincial ceremonial officer and moved to Hong Wen Pavilion for a bachelor's degree. Worked in calligraphy, copied the original works of Le Yi Lun and Lanting Preface, and moved to Taizidian Bookstore to record.