The most influential literary school in the early Song Dynasty was the literature of the Three Su Sects, also known as the literature of the Four Scholars of the Su Sect. Su Xun, Su Shi, and Su Zhe were all writers of the Northern Song Dynasty. Their literary achievements were regarded as one of the outstanding representatives in the history of ancient Chinese literature. The literature of the Three Su Dynasties was mainly composed of prose. Its style was fresh and natural, and its emotions were sincere and its thoughts were profound. It was known as the representative figure of a gentleman. His literary works, including Dongpo Zhilin and Dongli Yuefu, had a profound influence on later literature. The literature of the Three Su Dynasties was not only respected in the Song Dynasty, but also in the Ming and Qing Dynasties, becoming one of the literary classics. His literary achievements not only occupied an important position in the history of Chinese literature, but also had a positive impact on the literature of various countries in the world.