1, live refrigerated: live crabs put in the freezer to save better, so as to maintain the freshness of the crab, can extend the survival time of the crab, but not suitable for too long, or eat as soon as possible is better.

2, cooked refrigerated frozen are available: the cooked crab with sealed plastic box, and then placed in the refrigerator refrigerated or frozen preservation, the use of low temperature to inhibit the reproduction of bacteria, to ensure that the flavor of the crab, cooked crab refrigerated can be preserved for a day, frozen preservation time of no more than three days. The longer you leave it, the worse it tastes, and the crab meat may deteriorate, and it's not good for your body to eat spoiled food.