<;P>;PROBLEM TO BE SOLVED: To provide an olive fruit extract, a human leukocyte elastase inhibitor comprising the extract and a method for preparing the olive fruit extract. <;P>;SOLUTION: The olive fruit extract comprises: an olive fruit extract extracted from an olive fruit residue resulting from freezing and subsequent grinding; 1,3-butylene glycol; and water. Here, the olive fruit extract comprises tyrosol and hydroxytyrosol as polyphenols. <;P>;COPYRIGHT: (C)2011,JPO&INPIT