The methodology of surpassing synchronous works they adopted,as well as the intentions of seeking the truth of ancient history,confined their studies to merely the people and events that could be proved.

Nan Huaijin s translation of ancient Chinese prose is lack of the most important factor, that is, considering the ancients hearts.

An important case in point was that Zheng Xuan incorporated contemporary and ancient Chinese in order to use its original word instead of the Jia Jie word (A word used to express another word): some items were explained with the original word of contemporary Chinese, and.

The transform of the Present Characters Confucianism is related with the politic conditions and social reform of Qing Dynasty.