Knowledge management plays an important role in improving software development performance and enhancing enterprises' competitiveness. In this paper, based on the basic process of software development and the SECI model, a knowledge transformation model in software development process is established. The model reveals the knowledge transformation forms and paths in each stage of the software development process. That is, along with the tacit and explicit knowledge conversion, the personal knowledge, group knowledge and organizational knowledge transformed. By these knowledge transformation processes, the new software is developed. At the same time, the innovation, accumulation and rational utilization of enterprise knowledge resources are achieved simultaneously.
