PROBLEM TO BE SOLVED: To provide a method for producing an olive fruit extract containing high-concentration polyphenol.SOLUTION: The method for producing an olive fruit extract of the present invention comprises a step of extracting the olive fruit extract from olive fruit or fruit residue, using an extraction solvent. In the extraction step, the extraction solvent comprises water and/or alcohol and the method is a method of extracting at 80°C or higher. By the method, the olive fruit extract containing high-concentration polyphenol can be produced from the olive fruit.SELECTED DRAWING: Figure 1