choosedifferentgoals,layparticularemphasisontheadvantagedtrades,onlyinthiswaycanwepromotetheprogressinginallall—roundwayofthetertiaryindustryofeveryareainLiaoNingprovince.Basingonthestatisticalanalysis,biningtogetherdeterminingthenatureandthequantitativemethod.Thefulltexthasusedalargenumberofdatumandchartstocount,describeandanalyzeindetailthedevelopmentlevelofthetertiaryindustryinLiaoNingprovince,andhasadoptedtheanalyticapproachofthefactortoanalyzethedevelopmentlevelofthetertiaryindustryofeveryareainourcountryandourprovincewiththerealexample.Thethesishasputforwardthecountermeasuresandsuggestionsofimprovingthedevelopmentlevelofthetertiaryindustryinourprovinceonthebasisofthethingsthatthegivenrealexampleshaveshownfinally.Keywords:Thetertiaryindustry;industrialstructure;Factor?analysislVf4T'.T