Yuelu Mountain Temple Monument, the representative work of Beihai Xingkai calligraphy, is also called Yuelu Mountain Temple Monument. Li Yong wrote a book and established himself in Yuelu Academy in Changsha in the 18th year of Kaiyuan in Tang Dynasty (AD 730). The size of the folded ink paper is 22.2x 12.2cm, and the monument is dignified and vigorous, and the momentum is vertical and horizontal, like the Five Mountains.