Among the twelve emperors in Qing Dynasty, Kangxi, Yongzheng and Qianlong had the best calligraphy. They loved calligraphy very much, and their personal love and admiration had a far-reaching impact on the development of calligraphy in the Qing Dynasty. They have a lot of contact with China culture, practice and respect China and Confucian civilization, regard calligraphy as their daily lessons, and have a profound knowledge of calligraphy.
Yongzheng's calligraphy is the best in Kang Yong and san huang, more elegant and natural than Kangxi's, more solemn than Qianlong's, especially his running script is very good. Sejong's calligraphy, the artistic level of his works is better than Naifu's, of course, above "perfection".