Shen Quan is a descendant of Shen Yun, a famous calligrapher in the early Ming Dynasty. He is good at learning the calligraphy of Dong Qichang, a fellow countryman, and also a teacher of Kangxi. At that time, the brand was very big. Chen Xue can be confused, but he focuses on his posture, charming and weak in his wrist; Although Su and Mi prefer boys to girls, his books are also quite Dong Shi; Jiang Xuemi and Dong Zhifa have the charm of calligraphy in their later years. Learn from Zhao and Chu, lean, vigorous and generous. Kangxi called it the first in the country. He Chao is famous for his small script, and his cursive style is still consistent with Dong Fa's. Wang Youdun studied Dong, Zhao and Chu, forming a fresh and mellow pattern. Regarding Zhang Zhao, Kang Youwei commented in "Guangyi Yizhou": "The calligraphy of the National Dynasty is concentrated in Detian (Zhang Zhao) and Shi 'an (Liu Yong). "