Theimprovedanalytichierachyprocessmethodwasutilizedinthispaper,andavarietyoffactorsinfluencingthefoodproductionwereclassifiedintoseveralinterrelatedorderlyobjectiveslayers;basedontheworksabove,thispapermadeanscientificassessmentontheinfluencingfactorsoffoodproductionandproductionpotentialofthevariousregionsintheSongnenPlain.TheweightsandcompositeindiceswerecalculatedwiththemethodofsolvingweightbyAHP'saccumulationfactorsequenceevaluatingdata,andwereprocessedbysingle-levelsortingandgeneralsorting.Theresultshowedthat,theregionofChangchunhadthebiggestpotentialforimprovingfoodproduction,butsmallestforHeiheregion.ThekeyreasonforthefoodproductiondiscrepancyofavarietyofregionsinSongnenPlainisthedifferencesinscaleofproductionandclimaticconditions,theweightcoefficientsofwhichare0.3654and0.2742;however,theweightcoefficientsofagriculturalscienceandtechnologyinvestmentisverylowjust0.1703,whichshouldbeincreastedinthefuture.
