Abstract: Thepaperhas studiedtheediblefilm madeofLacalcoholsolutionandstarch.Therewas nosuchreportin China after the survey of Yunnan Info rmation Institute of Science and Technology.This filmforming such charac-teristics yet,would be affected by c oncentration,drying temperature,glycerin and epoxy chloropropane con-tent.This filmshowedbetterwaterp roof,moistproofandhigherstrenth.Itwas alsofoundthatthis filmwas harmless anddecomposable.The treatmentofb readcoatedby this filmcouldlower t he browning rate obviously andrestr ain therespirationofbread.Duringthe storage,theloss rateoftotalacida ndweightloss rateofcoatedbreadwe relower than the controls ,so the filmwould h ave wide application prospects.

Key words: starch, lac, edibleness