The invention discloses a black glutinous rice dumpling and a preparation method thereof. The black glutinous rice dumpling comprises, by weight, streaky port, salted egg yolk, mushrooms, shelled fresh shrimps, black glutinous rice, peeled mung beans, bamboo leaves, coir ropes, oil, salt, five spice powder, cooking wine, soybean sauce and mint leaves. The preparation method includes preparing stuffing, processing black glutinous rice, making the rice dumpling, steaming the rice dumpling, packing the rice dumpling in a vacuum manner, and sterilizing. The black glutinous rice dumpling has the advantages that the black glutinous rice dumpling is ice-cold and tasty, rich in flavor, proper in mouthfeel, flexible, good in taste, rich in nutritive value, good in health-care effect, cool and refreshing and unique in preparation method, and breaks through the tradition.