It is not recommended that you eat this kind of crab. Crab nutritional value is very high, because it is not only rich in trace elements at the same time protein content is also very high, the crab also contains a relatively high water, once the death, the body began to go to the deterioration of the process, high protein and high water is particularly easy to rot and produce histamine toxins, a serious danger to human health, so generally speaking, death of the crab is best not to eat.