1. Simmer the dried razor clams in boiling water until soft, break them open, dig out the impurities, wash them with water and put them in a basin.
2. Soak the razor clams in hot water first, cut them in half symmetrically with scissors, wash them while cutting them, then put a small amount of water in the pot, put the razor clams in and boil them together, and then wash them. After checking it, put it in the pot and bring it to a boil over high heat, then simmer slowly over low heat.
3. Generally, change the water three times, and add a small amount of oral alkali in a small spoonful. Only when the razor clams are chewed in the mouth and become chewy and chewy will it be considered successful.