Basedonthesystemtheory,thispaperdiscussesthestructureandefficiencyofagriculturallanduseinKaifengSuburban.Suchpresentproblemsasbenefitdeviationfromresourceallocation,distinguishedunemploymentandfourkindsofcontributionofurbanagriculturelandusearerevealed.Then,intheviewofsustainabledevelopment,someresolutionmeasurestotheproblemsareadvancedout.Thesesuggestionsincludefarmlandprotection,ecologicalagriculture,sustainablelanduseandinputdecreaseofsyntheticmatter.