Yan Zhenqing is not only an influential calligrapher in the history of calligraphy in China, but also a milestone in the history of calligraphy development in China. He integrated the aesthetic ideas of "too clever and clumsy" and "easy to understand" into calligraphy and brought them to the extreme. "Taking the ancient method into the new idea, innovating the method into the old meaning" has created a unique calligraphy font in the history of China calligraphy and created a truly beautiful artistic realm. Talking about his calligraphy, especially regular script, opened the first generation of regular script style in Tang Dynasty. As far as brushwork is concerned, he entered the book with seal script, and his brushwork was tense, vigorous and powerful, which was very realistic; Knot, become the official seal, correct without losing rhythm, round and thick, full of tension; On the realm, he created a simple and bold new atmosphere in Qiang Mao. His life is full of tragedy, and his calligraphy also shows a magnificent masculinity. Su Shi spoke highly of Yan Zhenqing's regular script: "Change the law to bring forth new ideas" and "The beauty of the book is no less than that of Yan Lugong."