By the study of Zhao Yiguang\'s Calligraphy and Calligraphy comments,further explained Zhao Yiguang\'s calligraphy style and origin in history,and further explained Zhao Yiguang\'s esthetic ideal,solved the problem of the fuzzy understanding of“CaoZhuan”and Zhao Yiguang\'s“CaoZhuan”.

Sun Yirangs Verification of Inscriptions on Bones or Tortoise Shells and Xiaozhuan in Shuowen(说文);

The Qin state unified six countries,in the original characters tradition of the Western Zhou Dynasty,on the basis of national characters of the reform,waste and eliminating the six countries allograft set Xiaozhuan,advocate Xiaozhuan so that the Chinese characters has changed dramatically,laying the text of the unique system of Chinese characters.

Later with the development of society, the form of Chinese characters kept changing, from Jiaguwen(inscriptions on bones or tortoise shells) to Jinwen(inscriptions on ancient bronze objects), and then to Xiaozhuan(an ancient style of calligraphy, adopted in the Qin Dynasty for the purpose of standardizing!the Chinese script), and their pictographic feature was disappearing gradually; when they ev.

He proposed "learning Zhuanli should start from Qin and Han Dynasty,leaning XingShu should start from Jin and Tang Dynasty" in accordance with the malpractice at the time.

How Remarkable It Is About“ Cutting”—— a Comparison Research on the Art of China s seal cutting and that of Lettering of the Time;

The form beauty of seal cutting expresses its inner endless beauty through limited outer space, embodying in the peculiar and strong sense of crude beauty of knife cuts with the special formation, seal characters as well as lines.

The author of this thesis is going to make a detailed study on the seal cutting of Qing Dynasty.