Abstract:InterorganizationalSystem (IOS)isbeingdevelopedrapidlyandusedinmoreandmoreorganizations .Ac cordingtothelong -termobservationontheutilizationofIOSinsupplychainofChineseorganizations,theauthors foundthattheutilizationofIOSinfluencestherelationshipamongsupplychainpartners.Thispaperanalyzesthein fluencesfromboththeoriesandpractices ,tryingtoexploretheshort -termandlong -terminfluencesthatIOShas onsupplychainpartners ,inordertoguidefutureconstruction ,IOSmanagementandpartnershipdevelopmentforor ganizations .