Abstract：Based on the western scientific philosophy on the idea of the mechanism of the science development, the unique methodology about how Marx researched into the mechanism of material production development and Hegel's thought on the unity of logic and the application of logic, the paper, from the angle of the production of thought, makes a preliminary analysis of the internal mechanism on the development of social science, and presents that the transformation, conversion and interaction between the tool of thought, the mode of thinking and the paradigm of investigation, compose the main internal mechanism of the development of social sciences.
