The invention relates to a sauce bag for egg bean curds and a preparation method thereof and belongs to the technical field of flavoring and processing of foods. The technical key point is as follows:the sauce bag comprises the following raw materials in parts by weight: water, streaky pork, water-soaked shiitake mushrooms, salad oil, aniseed, raw scallions, sliced fresh ginger, sliced fresh garlic, dried chilis, cooking wine, rice vinegar, chicken essence, soy sauce, table salt, monosodium glutamate, white sugar, crystal sugar, dark soy sauce and modified starch. The preparation method of the sauce bag for the egg bean curds comprises the steps of pretreatment, stir-frying, boiling, dressing with starchy sauce and after-treatment to obtain the sauce bag for egg bean curds. The sauce bagfor the egg bean curds provided by the invention has the advantages of balanced nutrients, digestibility, absorbability, refreshing, smooth, delicious and tender mouthfeel, subtle fragrance and satisfactory flavor, and is not liable to cause excessive internal heat, and meanwhile, a preparation process is simple.