Abstract: There were not many Sichuan s people being official-scholars before the Tiansheng period. Afterwards, the concept of “Yingshiwuyong” (Practical and Application) has been developed as a dominate trend. Therefore, it fosters the study of the Han and Tang s traditional prose-writing of Sichuan s scholarship into a significant movement in the Tiansheng period. This is the important background where San Su s prose writings and Ouyang Xiu s literary renovation in traditional prose-writings can be blended in well with their mutual literary perspectives.

Key words: Sichuan , the changes of being officialdom , San Su , Classical Prose-writings Movement, the Tiansheng (1023 – 1031) period of Northern Song