Regular script is also called Zhengshu, or Zhenshu. Its characteristics are: square shape and straight strokes, which can be used as a model, hence the name. It began in the Eastern Han Dynasty. The Four Masters of Regular Script are the collective name for the four calligraphers who are famous for their regular script in the history of calligraphy. Also known as the four major regular scripts and the four styles of regular script, they are: Ouyang Xun (European style) in the early Tang Dynasty, Yan Zhenqing (Yan style) in the prosperous Tang Dynasty, Liu Gongquan (Liu style) in the Tang Dynasty, and Zhao Mengfu (Zhao style) in the Yuan Dynasty
Ouyang Xun, courtesy name Xinben, was born in Linxiang, Tanzhou (now Changsha, Hunan). His greatest achievements in calligraphy are regular script, with strong penmanship and unique structure. Later generations called him "European style". Ouyang Xun of the Tang Dynasty: He is rigorous and powerful in writing, and is known as "the best regular script among the Tang Dynasty people". His representative work is "Jiucheng Palace Liquan Ming".
Yan Zhenqing, courtesy name Qingchen, was born in Jingzhao ten thousand years ago. His ancestral home is Linyi, Langya, Tang Dynasty (now Linyi, Shandong). With his seal writing skills, he transformed thin and hard into plump and powerful, with a broad structure and magnificent momentum. , with strong bones and majestic spirit, this style also reflects the prosperous style of the Tang Dynasty. His representative works are "Yan Qin Li Stele", "Yan Family Temple Stele", "Duobao Pagoda Stele" and "Magu Immortal Altar Story".
.Liu Gongquan, also known as Chengxuan, was a native of Jingzhaohua in the Tang Dynasty (now a native of Tongchuan, Shaanxi Province). His calligraphy is strong, precise and meticulous. In terms of character characteristics, it is famous for its thinness and strength. The regular script written in it has a strong and charming body and strong bones and legs. Running script and regular script are the most exquisite. His representative works are "Mysterious Tower Stele" and "Shence Military Stele".
. Zhao Mengfu, whose courtesy name was Zi'ang and whose nickname was Songxue, was a Songxue Taoist and a native of Wuxing (now Huzhou, Zhejiang). His regular script is round and delicate, upright and rigorous, yet does not lose the elegance and elegance of his running script. He is known as "Zhao Style" in the world, and his representative work is "Xuanmiao Guan Reconstruction of the Three Gates".