2. Wash the sea cucumber with water and remove the surface salt. Take a clean oil-free container, fill it with proper amount of purified water, put the sea cucumber into the container and soak it in the refrigerator for 24-48 hours, and change the water every 8 hours until it becomes soft.

3. Cut the soaked sea cucumber from the tail to the head along the midline of the abdomen, take out the inner ribs and the sand mouth, and clean the impurities in the belly of the sea cucumber. There will be several tendons in the inner cavity of sea cucumber. You can eat it without removing it, but it will affect the growth of sea cucumber, so. Just cut a few pieces in it.

4, clean oil-free pot filled with pure water, put the washed sea cucumber. After the fire boils, simmer for another 20 minutes. After the flame is turned off, cover it and let it cool naturally, and pick up the soft boiled sea cucumber. Leave the hard sea cucumber in the pot, change the cold purified water and cook it until it is all soft.

5. The clean and oil-free container is filled with cool purified water, and the cooked sea cucumber is sealed. Then put it in the cold storage room of the refrigerator, soak it for 48-72 hours, and change the water once a day to eat.