Among them, the four masters of regular script are the collective names of four calligraphers who are famous for regular script in the history of calligraphy. Also known as four-body regular script and four-body regular script. They are: Ou Yangxun in the early Tang Dynasty, Yan Zhenqing in the prosperous Tang Dynasty, Liu Gongquan in the Tang Dynasty and Zhao Meng in the Yuan Dynasty. 1. Ou Yangxun (557-64 1) was born in Linxiang, Tanzhou (now Changsha, Hunan). His calligraphy achievements are based on regular script, with bold brushwork and unique structure, which is called "European style" by later generations. Ou Yangxun in Tang Dynasty: His brushwork is rigorous and precipitous, and he is known as "the first regular script in Tang Dynasty". His masterpiece is "The Inscription of Liquan in Jiuchenggong".