If a live crab is frozen to death after being placed in the freezer layer, it can be eaten in the short term.

Taking the freezer layer of the home refrigerator as an example, its internal temperature can reach minus ten degrees Celsius, the live crabs into which, although the low temperature will let the crabs in a frozen state, but enough to inhibit bacterial reproduction, to avoid the production of crabs, such as histamine and other harmful substances, and the crabs contain nutritive value and meat taste in a short period of time by the freezing and preservation of the phenomenon will not deteriorate