The calligrapher known as Zan in the history of calligraphy is Wang Xizhi, whose courtesy name is Yishao. He is a minister and famous calligrapher of the Eastern Jin Dynasty who is known as the "Sage of Calligraphy". He once organized Lantingya in the ninth year of Yonghe. Collection, and wrote the preface to Lanting, becoming the best running script in the world. Its peaceful and natural style, euphemistic and implicit, beautiful and graceful writing style has a profound impact on the development of calligraphy in my country.