1. Put purified water or clean tap water into the basin, put wild sea cucumber into it, and put it in the fresh-keeping layer of the refrigerator. Change the water at least 2 to 3 times a day. After 2 days, pinch the sea cucumber with your hands, and feel that there is no hard core in the middle, indicating that it is soaked.

2, sea cucumber cleaning; Dry sea cucumber was soaked and cut up and down along the incision in the abdomen of the sea cucumber. Cleaning with running water for several times can effectively remove impurities.

3. Cook the sea cucumber thoroughly; First boiling: Turn the water to the minimum fire after boiling for 3 to 4 minutes, then turn off the fire and let it cool naturally. Pour the sea cucumber together with the water for boiling the sea cucumber into a clean container, and pour in ice cubes or ice water (which needs to be prepared in advance). The amount of water must not exceed the sea cucumber, and put it in the fresh-keeping layer of the refrigerator for a day. Second cooking: the next day, directly pour the sea cucumber and water into the pot, then add an appropriate amount of water. When the water boils, turn to low heat, cook for about 3 minutes, turn off the fire, and stew until it is naturally cool. Take out the sea cucumber, put it in ice water prepared in advance, and put it in the fresh-keeping layer of the refrigerator for 2 to 3 days before eating.