Among historians of mid-eighteenth century China, Zhang Xuecheng was highly praised by modern scholars for his perceptiveness in the study of ancient historiography and philosophy. Still, there are much left for us to discuss in regard to his major work, Wen Shi Tongyi. This article aims to explore the following issues: 1) the arguments and theoretical basis developed in this work; 2) the construction of Zhang's theory and the findings of his reasoning; 3) the connection between Zhang's research and the intellectual milieu of his time; 4) Zhang's discussion on the origins and history of Chinese scholarship, and the formation of his historical viewpoint; 5) Zhang's analysis of the teachings of Yijing, Shijing and Shujing, 6) Zhang's perspective on history and thought, and the signify-cance of his ideas.