At the age of sixty-four, Liu Gongquan's calligraphy is tall and slender, his brushwork is tall and vigorous, his lines are flowing, and he looks forward to the wind. The whole tablet is full of pen power. There are praises that guide the situation and attract backbone. Or feel that the bones and muscles are particularly exposed. Although they are charming and strong, their blond hair has changed a lot. Wang Shizhen's "On the Red Monument" in the Ming Dynasty: "The inscription on the Xuanta, the most exposed willow book, is full of charm, and there is no lack of self-reliance, which is also a big change." In the inscription and postscript of "Virtual Boat" in Qing Dynasty, Wang Shu described this book as "a work of great practice".
Liu Xizai's Introduction to Art said: "Liu Shu's Mystery Tower comes from Yan Zhenqing's Guo Jia Temple, from which it can be seen that he is good-looking and innovative in learning from Europe. Wang Shizhen said, "Liu Faqi is as charming as Yan Situ. The calligrapher said that he was frightened to escape and the hungry eagle was shoveling, which was not enough to describe his driving intention. "Obviously, Yan Shu is peaceful and Liu Shu is dangerous, but they are dignified and calm. Therefore, people who have always studied big letters often use this monument, the European book Jiucheng Palace monument and the Yanshu Duobaota monument as entry models.