Its cursive script is thick and eclectic, its official script is smart and dense, its running script is charming, vigorous, ever-changing, pure and natural, and it is highly respected by scholars in past dynasties, and its traces are treasured by past dynasties. Because of his outstanding achievements in calligraphy art, he was honored as a "book saint" and had a great influence in the history of calligraphy.
representative works
Emperor Taizong loved his calligraphy, and after seeking it, he was buried as a martyr. So his calligraphy ink has disappeared, and most of it has been copied down. Such as Preface to Lanting Collection, Mourning Gua, Confucius Gua, Orange Gua, Seventeen Gua, Qingxue Gua, Music Review, Yi and so on. , and the Tang monk Huairen's "Preface to the Holy Teaching" was passed down from generation to generation. There are some book theories, such as Mrs. Wei's Drawing with a Pen, the Theory of Calligraphy, the Theory of Writing with a Pen, and Mr. Baiyun's Notes on Calligraphy.