Fromtheperspectiveoftourismcompetitiveness,thepapertakes12islandcountiesofChinaastheresearchobject,andappliesthemethodoffactoranalysistostudytheircompetitiveness.TheresultshowsthatPutuoandDinghaiaremorecompetitivewhilePingtanandNan’aoarelesscompetitive.Finally,the12islandcountiesarepidedintofourstyles:first-classcompetitivecounty(Putuo),seond-classcompetitivecounties(Dinghai,Yuhuan),third-classcompetitivecounties(Chongming,Daishan,Changdao,ChanghaiandShengsi),fourth-classcompetitivecounties(Dongshan,Dongtou,PingtanandNan’ao)byclusteranalysis.Theclassificationofislandcountiesistocleartheirrelativeposition,thentopromotetheirdevelopment.