InJapan'ssupportforASEANcountries'connectionbuildingcanbeseenitspolicyvisionsinfunctionalpositioning,geographicallayoutandconnotationconstitution.Aspartofasystematicpolicyframework,JapansupportsASEANtransregionalandoutside-regionalconnectionswiththeMekongsubregionasfocalpoint,pushesforwardmetropolitaninterconnectionofASEANcountrieswithJakartaapriority,promotesbuildinginfrastructure,developsrules,andconstructsbetterexternalenvironmentsforconnectivity,allwhileadvancingitsPartnershipforQualityInfrastructuretoattractASEANcountries'cooperation.BecauseofJapan'seconomicinterestsandgeopoliticalstrategytowardASEANcountries,Japan'spolicyinfluencesChina'sBeltandRoadInitiativeandChinashouldproperlyrespondtoJapan'sactions.
