At present, the handwriting on the fan of Lanting Preface is mostly written by later generations. If the fan bone is made of rosewood or ivory, it can reach 10 thousand yuan.
The most important function of a fan is to represent the identity of the fan holder. As an appreciation and collection, fan calligraphy has its unique artistic beauty. Preface to Lanting Collection was written in China Jin Dynasty (AD 353). Wang Xizhi, a great calligrapher, made friends with books at the foot of Zhu Lan Mountain in Shaoxing, Zhejiang Province, and wrote the best running script in the world, also known as Preface to Lanting, Preface to He Lin, Praise for Iron and Preface to Lanting on March 3rd.