A method for producing a hop extract including filtering a hop-containing water at a temperature of 50° C. or higher, to give a hop extract. According to the method of the present invention, a hop extract having a high polyphenol concentration can be conveniently prepared, and is suitably used as raw materials for compositions for treating and/or ameliorating proteotoxin neutralization, inhibition of enamel decalcification, body fat modulation, protection of periodontal membranes, virus inactivation, inhibition of overexpression of thymic stromal lymphopoietin, symbiotic regeneration, obesity, anti-inflammation, inflammatory bowel disease, coronary artery disease, hyperuricemia, allergic diseases, digestive diseases, and the like.