Theraisinguptarif byTaiwantotheproductsfromMainlandofChinawilldistortthefactor incomedistributionpatterninthatisland.Weuseageneral equilibriummodelwereaneconomyinputs two factors，i.e. capital andlaborandproduces twoproducts，i.e.manufactures andhigh-technologies，to discusstheshortrunandlongrunef ectsonfactor'sincomebytheraisinguptarif . Wediscover，the wageasthelaborincomeintwoproductionsectors isbothrisingupwithintheshortrun，butitis going downfor anunprotectedsector ina longrun；therewardas thecapital incomeinthatprotectedsector is rising，butitisgoingdownforanotherunprotectedsectorwithinashortrun. So，theeffectsoffactor incomedistributioncomesfromtheimportstarif ifadoptedbyTaiwan，willhurtthedevelopmentofits advantagedindustry.This isthetheoreticalfoundationtopromoteFCFA.