Mr. Sha Menghai divided the calligraphy of the Sui Dynasty into the following four categories:
First, Zheng Ping and Yimeilu (Zhi Yong and Ding Daohu).
Second, strict and strict (Dong and Su Ci).
Third, all the way is vigorous ("Cao Zhi Temple Monument" and "Zhang Qiusheng Image").
Fourth, Xiulang Xiting No.1 Road (Longzang Temple Monument).