Sino-U.S.relationshavefluctuatedsincethebeginningof2010.Whatareprospectsfortheirdevelopment?Willitbefiercerstrategiccompetitionorwillitbelong-termstrategicstability?Takingintotheinternationalsystemandtransitionsinglobalpower,thisessayanalyzesrecentchangesinSino-U.S.relationsandU.S.strategicassessmentofChina.ProspectsforandfuturetrendsinSino-U.S.relationswillbediscussed.SinceSino-U.S.relationshavealwaysbeenbasedontheinteractionofmultiplefactors,thisessayraisesnewquestionsratherthansimplydrawingspecificconclusions.Sino-U.S.relationshavetakenonanewlook,seasonedastheyarebytheglobalfinancialcrisisanddramaticreversalsoffortune:thereisaslowtransitiontowardsreconciliationthoughcompetitionstillcontinues.Moreimportantly,bothsidesseemtobeponderingamoreprofoundproblem:isthisthebeginningofadeeperstrategiccontestoristhistheprequeltorealstrategicstability?WhereisSino-U.S.relationsheaded?