Soak in 15℃ ~ 25℃ warm water for several hours, then cut into pieces and wash them (until the water is clear), then put them in pure water and cook them until the water is cool, take out the tendons and make soup, then put them in pure water and cook them for several minutes until the water is cool, and finally put the cooked sea cucumber in pure ice water at 0℃ ~ 8℃ for 24 hours to the maximum.

(Note:) 1. Never throw away the tendon;

2, the salt must be soaked clean, and the sea cucumber is not rotten;

3. Sending sea cucumbers with pure water is not only big but also best absorbed by the human body;

4. The sea cucumber container uses a clean and oil-free special stainless steel pot, and it is best to use a covered basin with a diameter of 32cm and a depth of 8cm for water holding capacity;

5. After the sea cucumber is cooked, the purified water at 0℃ to 8℃ increases the most within 24 hours, which is easy to be absorbed by human body;

6, it is best not to use thermos, because the heat preservation effect is good, the sea cucumber is easy to rot at high temperature for a long time, and the big pot is just right:

7. protein and nutrients in sea cucumbers are not allowed in water, and they are not afraid of the loss of nutrients in water-based sea cucumbers.