1, freezing: because sea crabs have strong low temperature resistance. Binding their legs and freezing them in the freezer can reduce their vitality, but they will not die. After 7-8 days, they still have a high survival rate.

2, cold storage: sea crabs are full of energy. Tie its legs to reduce the consumption of life, put it in a foam box with ice, and finally put it in the refrigerator. It can also live for a long time.

3. Raise it: prepare a bucket, put the sea crab in the bucket, and then put the water in the belly of the sea crab. This can not only prevent sea crabs from crawling around, but also keep the wet environment and free breathing of sea crabs.