As a student of Zhao Meng, Yu Ji’s calligraphy is not only reflected in the versatility of calligraphy, but also has the same origin as his teacher. Among Zhao's students, Yu Ji can be said to have the typical character of Zhao. His cursive script was inspired by the clear and clear style of the Jin people, but the composition was sparse and empty, and the knots were gentle and similar to Zi'ang's; his regular script was elegant, elegant and gentle, and could capture the three flavors of Zhong Yao, Lu Jianzhi and Yang Ning's style; His official script has a square structure, calm handwriting, and an ancient atmosphere.