This invention discloses the use of ginseng flower extract to for preventing or curing the diseases or symptoms caused by abnormally high blood uric acid concentration, such as gout, hyperuricemia, kidney calculus or gouty nephropathy, wherein ginseng (Panax ginseng C.A. Meyer) flower extract is used as the effective ingredient. Disclosed is the use of ginseng flower extract as an effective ingredient in preparing the medicament for preventing or curing the diseases or symptoms caused by abnormally high blood uric acid concentration in mammals, wherein the ginseng flower extract is Panax ginseng C.A. Meyer extract.