Insulated box, a layer of ice ballast underneath, put the crabs, and then a layer of ice ballast on top, which can be thicker, put it in refrigeration or 0 degrees, don't put it in freezing, and it will probably last about 10 days.

Method 1: Refrigerator preservation of crabs.

Select vigorous crabs, tie up the crab's feet and gates to reduce the crab's physical exertion, and then put them in the freezer of the refrigerator ,covered with a wet towel to keep it. When you eat every day, pick the less vigorous ones to eat first, and the vigorous ones can continue to be preserved. The way to tell the difference is: touch the crab's eyes lightly with your hand, and eat them first if they are not responsive.

Method 2: Plastic buckets/pots for preserving Yang crabs.

Prepare a 30-50 centimeters high plastic bucket/pan with a smooth inner wall that is not easy to escape. Put the crabs into it, not stacked; and then add water to half the height of the crab's body, mainly moisturizing, can not bury all the crabs. As it is unlikely to have oxygenation equipment, if the water is too deep, the crabs will suffocate and die of lack of oxygen. Bucket / basin without cover, check the crabs every day, the lack of vitality of the crabs in time to eat, using this method of preservation of crabs, hairy crabs can be preserved for more than 5 days when the temperature is not high.

Method three: temporary pool preservation of crabs.

Pour the crabs gently into the bathtub, fill water to just bury the crabs, if the crabs put eight feet up can breathe at the surface of the water, and according to the storage time and the number of cast flavor a small amount of small fish and shrimp, with this method of storage of crabs in general can be more than 7 days or longer, the good quality of the crabs stored survival rate of up to 95% or more. In addition, check the crabs every day, and eat the hairy crabs with insufficient vigor in time.