It is an object of the present invention to provide a HDL cholesterol-raising agent which can selectively raise or maintain HDL cholesterol level, an LDL cholesterol-lowering agent which can selectively lower LDL cholesterol level, a composition which can selectively raise of maintain HDL cholesterol level, a method for raising or maintaining HDL cholesterol level in blood and a method which can raise or maintain HDL cholesterol level and lower LDL cholesterol level in blood. Therefore, provided are a HDL cholesterol-raising agent and LDL cholesterol-lowering agent containing an olive extract as an active ingredient, a composition containing the HDL cholesterol-raising agent, and a method for raising HDL cholesterol level and a method for raising HDL cholesterol level and lowering LDL cholesterol level in which olive extracts are administered to mammals.