Abstract: For adapting the ctuickly change of business process, determining the change range in business process has been one of the core problems of business process management. "hhe existing proposed methods are to search the change domain by a given node on the basis of static analysis, which had some limitations. In the paper, according to Petri nets and behavioral profile to analyze business process modcls,thc locating method of change domain in business process model was presented from the perspective of dynamic behavior,further the analyzing method of the smallest change do- main in business process models was proposed. Finally, the specific case analysis was given out, which shows the pro- posed method is effective.

Key words: Process models, Petri nets, Behavioral profile, Change domain