Buy home crabs if temporarily eaten, you can buy the legs of live crabs are tied, and then put into a foam box, need to be arranged in a neat arrangement, and finally injected with water into the box, cover the lid and put it into the refrigerator's freezer on it, so that preservation of the method can be fresh for a week or two, but so that each time to consume the crabs need to be defrosted.

(2) can be raised

If you can guarantee to eat in three to five days, you can raise the live crabs temporarily, that is, a large easy to add water to raise, pay attention to do not add too much water, only need to diffuse through the general high of the crab on the line, the purpose of adding water is to moisturize the water, too much water will make the crabs due to a lack of oxygen and die, but you need to feed it some food, such as eggs, Sesame seeds and so on. Secondly, it is also important to pay attention to the water bucket do not cover, check the freshness of the crabs every day, and eat the crabs with insufficient vitality.