The invention discloses a preparation method for mushroom Chinese yam characteristic roast sausage, and belongs to the food processing field. The preparation method is characterized in that processing technology flows of raw material selection, pickling and crushing, mushroom processing, uniform stirring, clystering, baking, hanging and finished product preparation are employed. The beneficial effects are that the product has a fine texture, tastes soft, is elastic, sweet and palatable and has unique delicate fragrance flavor of mushrooms and Chinese yam; the product has abundant nutrients, is easy to digest, can raise body immunity, and has functions of delaying aging, lowering blood pressure, lowering blood fat, preventing cancer and resisting cancer; the product is convenient to eat and is suitable for people of all ages.