Abstract
Nowadays, many business organizations face many challenges in their business environments. Most of the organizations have moved their business process from manual process to computerized process. To improve business activity and process efficiency. A number of studies point out the fact that software modeling has become the main concern of most of business organizations. The research on software modeling is still evolving. Moreover, the modeling of every business process is important to develop good software and design modeling and should not be ignored by the organization. This paper proposes a UML model for E-procurement System and implement model with the Data Mining technique. This model can be used to find the best suppliers for the organization. In this paper Activity diagram, Use Case diagram and Sequence diagram are designed.