Ouyang Xun's "Teaching Techniques", "On Using the Brush", "Eight Techniques", and "Thirty-Six Methods" are all summaries of his own experience in learning calligraphy, and they summarized calligraphy more specifically. Calligraphy formal skills and aesthetic requirements such as pen use, structure, and composition are precious heritage of my country's calligraphy theory.
Ouyang Xun’s ink writings handed down after his death include "Bu Shang Tie", "Zhang Han Tie", etc., and his inscriptions include "Jiucheng Palace Liquan Inscription", "Huangfu's Birthday Stele", etc., which can be called the masterpieces of calligraphy art. Treasure. Later generations will call him "the four great calligraphers of the early Tang Dynasty" together with Yu Shinan, Chu Suiliang and Xue Ji.
Ouyang Xun is not only a master of calligraphy, but also a calligraphy theorist. In his long-term calligraphy practice, he summed up eight methods for practicing calligraphy, namely: "Like a falling stone from a peak, like a falling stone from the sky." The new moon is like a formation of thousands of miles of clouds, like a long-lived withered vine, like an inverted pine, like a hanging stone cliff, like the hair of a crossbow, like a sharp sword cutting off a rhinoceros horn, like a wave of pen."