Purple sweet potato Chinese caterpillar fungus vermicelli and preparation method thereof

The invention discloses purple sweet potato Chinese caterpillar fungus vermicelli which comprises, by mass, 0.001% of Chinese caterpillar fungus, 20% of fresh purple sweet potato, 0.2% of edible iodine salt, 0.4% of edible vegetable oil, and the balance of sweet potato starch. The preparation method comprises the steps of: 1) crushing the Chinese caterpillar fungus and the fresh purple sweet potato, and mixing the crushed Chinese caterpillar fungus and the fresh purple sweet potato with the sweet potato starch, the edible iodine salt andthe edible vegetable oil according to the mass ratio; 2) pouring the mixture into a vermicelli machine to obtain molded vermicelli; 3) freezing the vermicelli obtained by step 2) at a temperature of minus 27 DEG C for 6 to 8 hours, and then carrying out thawing; and 4) drying the thawed vermicelli for 6 to 8 hours to obtain the final product, and then carrying out packing. The purple sweet potato Chinese caterpillar fungus vermicelli provided by the invention has great health function, has the advantages of anti-cancer, liver protection, anti-aging and human immune function strengthening.