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

2, soak the sea cucumber from the tail to the head along the center line of the abdomen and cut open, remove the internal tendons and sand mouth, clean the impurities in the belly of the sea cucumber. There will be a few tendons in the inner cavity of the sea cucumber. It is edible without removing them, but it will affect the sea cucumber's growth, so. Just cut a few sections inside. As shown in the picture, in order to prevent the sea cucumber from sticking to the oil, wearing a plastic bag on the hand.

3, clean oil-free pot full of pure water, the clean sea cucumber into. Boil on high heat and then cook on low heat for another 20 minutes, turn off the heat and cover to cool naturally, then pick up the softened sea cucumber. Leave the hard sea cucumber in the pot, replace with cool pure water and cook again until all of them are soft.

4. Fill a clean and oil-free container with cold purified water and seal the boiled sea cucumber. Then put it in the freezer of refrigerator and soak it for 48-72 hours, change the water once a day, then you can eat it.