PROBLEM TO BE SOLVED: To provide a preservative for a food product having an excellent bactericidal effect without lowering flavor or quality of the food product, excellent in stability during preservation, and having high safety.SOLUTION: There is provided a preservative for a food product containing 10-40 wt.% ethanol, a fatty acid, mono-glycerine fatty acid ester, deca-glycerine fatty acid ester, lactic acid and sodium lactate.