"Shiguwen" occupies a very unique position in the history of Chinese calligraphy. Since its discovery in the early Tang Dynasty, stone drums have been valued by literati, calligraphers and historians of all ages. Yu Shinan, Ouyang Xun, Chu Suiliang, Han Yu, Zhang Huai, Zhang Yanyuan, Su Dongpo... there are no fewer than hundreds of people in the past dynasties who have written, commented, researched and studied "Shiguwen".