This article introduces the workflow and workflow management system concept，and according to JBPM workflow engine and JPDL’s practice and experience，establishes open-source workflow management system based on JBPM framework．In light of the actual case to conduct the research of the JBPM workflow engine’s application，JBPM workflow engine is used to carry on the work flow realization，the method is given to realize and description of the partial core codes and complete EDA PCB Process Management System．