Disclosed are a method for preparing a ginseng polysaccharide for immune stimulation and a ginseng polysaccharide for immune stimulation prepared from the preparation method, the method comprising the steps of (1) adding ingredients； (2) performing an extraction； (3) performing a first filtration and cooling； (4) performing a second filtration； (5) performing a first concentration； (6) adding a concentrate to a fermentation alcohol； (7) separating into a supernatant and a precipitate； (8) collecting the precipitate； (9) dissolving in water； (10) performing a second concentration； (11) cold ageing； (12) performing a third concentration； (13) sterilizing； and (14) packaging into a product of the ginseng polysaccharide for immune stimulation in the form of a concentrate.
