Abstract:Taking the heavily polluting enterprises in Shaanxi Province as the starting point, from the perspective of technological change, by analyzing the connotation, characteristics and models of technological changes, redefining the connotation and mode of technological change of heavily polluting enterprises in Shaanxi Province. Putting forward the importance of Shaanxi Province Three technological transformation and upgrading paths of polluting enterprises: production technology change path, environmental technology change path, information technology change path. The system dynamics model is used to simulate the transformation and upgrading paths. The results show that the three paths have a positive impact on the enterprise transformation. The transformation effect brought by the information technology change path is the best, and the key influencing factors affecting the information technology change path is the online rate of the enterprise information system. Therefore, the introduction of enterprise information management system and the cultivation of information technology personnel have become the focus of the current transformation of enterprises.