The inscription on Liquan in Jiuchenggong describes the origin of Jiuchenggong and the grandeur of its architecture, praises the martial arts and frugality of Emperor Taizong, introduces the discovery of Liquan in Miyagi, and quotes ancient books to explain that the emergence of Liquan was caused by "the son of heaven made virtue". Finally, the warning of "aim high, persevere and avoid surplus" is put forward.
Huangfu's birthday tablet has fine and hard fonts and elegant composition, giving people a sense of elegance, atmosphere and elegance. Moreover, this work is the most completely preserved among Ou Yangxun's works at present, so it is very coherent to appreciate, which is very beneficial for future generations to copy and learn. This monument has also influenced countless calligraphers in later generations, and achieved many talents, such as Qing Dynasty and Cheng Taizi.
Written by Li Baiyao and Ou Yangxun, the Inscription on the Buddhist Pagoda of Huadu Temple was originally carved in Zhong Nanshan Buddhist Temple in Chang 'an (now Xi), and was carved many times after the stone was destroyed in the Northern Song Dynasty. The calligraphy of this tablet is fair and clear, full of ink and color, which is pleasing to the eye. Wang Shizhen said: "The degree of chemistry is particularly fine and tight, which deeply fits the beauty of a Fang Bi circle." "The Outline of the Book" said: "The rate is more beautiful, the pen is light and long, and it is magnificent and elegant."