Abstract: It is well known that supply chain management(SCM) is a kind of mode of management whose characteristic is systematic,integrative and agile.SCM enables several enterprises to enter into an alliance which can fulfill mass customized-production,so enterprise possesses a strong market response capabilities．Furthermore,the selection of supplier is one of the crucial problems in building a supply chain system,and this is also a foundation on which the enterprise can carry JIT into execution．This paper proposed a novel combinatorial approach in which a combination of the Analytic Hierarchy Process(AHP) and the rough set theory is adopted in the research of the supplier selection in SCM.The main research works include:The overview on common-used methods of supplier selection is presented firstly．The principles and indices for supplier selection are analyzed in detail．A comprehensive judgment matrix is constructed through combining the subjective judgment matrix by AHP approach and the objective judgment matrix by rough set method,then an initial probing is accomplished on the issue of the supplier selection in SCM on the basis of the comprehensive judgment matrix．An application example demonstrates the validity and feasibility of the proposed approach in the supplier selection of SCM.

Key words: Rough set,Analytic hierarchy process,Decision making,Supplier selection