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Theworld'sfirstcommercialproductionofGeneticallymodifiedfood(GMF)isdelaythematurityofGeneticallymodifiedtomato,whichwasputintotheUnitedStatesmarketin1994.ThereisnodenyingthefactthatthenumberofGMFissteadilyincreasinginthe21stcentury.So,whatistheso-calledGMF?GMFisakindoffoodthatisembeddedforeigngeneinthegenomeofthespeciesbygeneticengineeringtechnologytomeethumanneeds,includingtransgenicplantfood,transgenicanimalfoodandtransgenicmicroorganismfood.TherehasbeenacontroversythatwhethertheGMFshouldbebanned.OnonesidearetheGMFsupporters,whosuggestionGMFhasbeennosignofmajorhealthorenvironmentalproblems.Thiskindoffoodhasmanyadvantages:increasecropyields,reduceproductioncosts,enhancetheabilityofanti-virusandsoon.GMFisusuallycheaperandeasiertoplantthantraditionalfood,inthisway,wecangetmorepeopletoeatandlive.Ontheotheraretheopponents,whobelievethatGMFisharmfultoourhealthbecauseit'spotentialthreat,suchassomespeciesmaybeaffectedbythedriftofgenes,GMFmaycauseallergicreactions.So,weshouldnotpromoteandeatGMF.Inmypointofview,GMFisadouble-edgedsword.MatureGMFcanbenefitmankindandreducehunger,butweshouldtakeacautiousattitudetotheimmatureGMF.