There are three reason for this phenomenon; first, the most direct and internal reason is the scholar’s general phychology of “seeking compensation” in this certain time; second, the most important external reason is the effect of market factor and the participation of the booksellers; and last, the close connection with the special social ethos of this per.

The social mode then, characterized by setting great store by song and dance, and being open, showy and luxurious, egocentric and romantic, was formed and decided by geographical enviroment, economic condition, political situation and cultural background.

Furthermore, FAN Ye realizes the importance of the general mood of society of integrity and good faith in remaini.

On the main characteristics of our country s ethos in 1950 s;

During the Song Dynasty,farther developing of trade influenced the ethos in positive and negative ways.