1, soak in clear water first, and then soften.

2. When the water is boiled until it is noisy, put the sea cucumber in it, continue to heat it and keep stirring. When the water boils, immediately turn off the fire and put the sea cucumber in the pot for 2 hours.

3. Visceration: Soak the soft sea cucumber in clear water for a while, remove the internal organs and sand, and rinse.

4. Continue to boil: change a pot of water, and repeat step 2. After the water boils, take out the sea cucumber immediately, soak it in ice water, and put it back in the pot until it is all soft.

5, ice blisters: put the sea cucumber in ice water and let it absorb a lot of water until it expands.