¡@Business process doesn¡¦t change with technology or business objectives following with the change of environment outside enterprises. Hence, enterprises require business process improvement or BPR to improve the existing business processes. When enterprises demand business process improvement or BPR, they can¡¦t analyze and improve business process without business process modeling. Choosing an adequate tool form numerous business process modeling and analysis tools is an important work. Therefore, author chooses 4 mature tools, ARIS, IDEF, UML and INCOME to discuss. ¡@In my thesis, author enumerate the advantages and comment of each tool at first, then using a material requiring and purchasing to stock process as an example to prove the advantages. Then, Based on the 4 perspectives concluded by Curtis and Kellner, et al. to develop further factors under each perspective. Concluding the evaluating criteria under each factor to evaluate business process modeling tools. And to present each tools about business process modeling.