The mysterious stele was the work of Ouyang Xun, a famous calligrapher of the Tang Dynasty. It was also known as the "Ninety percent Palace Liquan Inscription". It was hailed as a classic work of calligraphy in the Tang Dynasty and one of Ouyang Xun's representative works. The mysterious tower stele and the other calligrapher were known as the " Battle between Wang and Ouyang." Although there were two of them, they were both outstanding representatives of calligraphy in the Tang Dynasty and had a profound impact on the history of Chinese calligraphy. Due to its high artistic and cultural value, the Mysterious Secret Tower was one of the precious cultural relics that were often collected by museum and collectors. Therefore, the Mysterious Secret Pagoda Stele and Wang Xizhi's works were regarded as classics in the history of Chinese calligraphy.