1. First, soak the dried Hericium erinaceus in clear water for 1 hour, take the Hericium erinaceus out, and squeeze the water a little.

2. Then prepare a pot of warm water, add a little alkaline noodles, stir well, add Hericium erinaceus with the roots removed, soak in water, and continue to soak hair 1 hour.

3. Then fish out the Hericium erinaceus, squeeze out the yellow water in Hericium erinaceus by hand, put it in warm water again after all the water is squeezed out, and then continue soaking for half an hour, and repeat the previous actions until the squeezed water in Hericium erinaceus becomes clear water.

4. Finally, tear the soaked Hericium erinaceus into pieces, add water to the pot to boil, blanch the Hericium erinaceus for 2-3 minutes, take the Hericium erinaceus out and put it in cold water to cool, then take it out and drain it to dry.