Enter. Since the birth of the art of calligraphy, issues such as the content and form of calligraphy, as well as the aesthetics of calligraphy, have always been the focus of research and debate among scholars and calligraphy enthusiasts. Chen Yajie's calligraphy has entered the national exhibition. Chen Yajie has certain attainments in official script. He cannot compare with others, but he has formed his own style and summed up a systematic method for practicing official script.