PURPOSE: A dressing source for broiled rib and preparation method thereof is provided to remove greasy tastes and to enrich natural tastes of meat. CONSTITUTION: The dressing source comprises 300g of brown seaweed, 300g of sea tangle, 900g of soybean, 900g of sticky rice, 900g of barley, 100g of groundnut, 150g of sesame, 300g of insam, 200g of pinetree leave, 300g of Angelica acutiloba, 150g of Cnidium officinale, 300g of Glycyrrhizae Radix, 300g of cassia bark, 300 of Polygonatum officinale All, 50g of ginger, and 50g of garlic. The above materials are pulverized and mix well. And then, the mixture is heated after an effective amount of water is added thereto.