1, Ou Yangxun: Regular script is the most important, with steep brushwork and unique structure. Later people called it "European style". His masterpiece "The Inscription of Liquan in Jiucheng Palace". 2. Yan Zhenqing: Regular script is dignified and magnificent, and is known as "Yan Ti" internationally. Representative works include Yan Monument, Yan Family Temple Monument, Duobaota Monument and Biography of Magu Xiantan. 3. Liu Gongquan: His regular script is clean and vigorous, with rigorous structure, delicate brushwork and young and straight brushwork. Known as "Liu Style" by the world, his masterpieces include Mysterious Tower Monument and Shence Army Monument. 4. Zhao Mengfu: His regular script is round and delicate, correct and rigorous, without losing the elegance of running script. He was praised as "Zhao Ti" by the world, and his masterpiece "Rebuilding the Three Storeys of the Xuandian".