It can be kept for more than 10 days if it is tied up and put in the fresh-keeping room of refrigerator (non-freezing). Don't keep it for too long, which will consume nutrition.

It is best not to eat dead seafood, which is bad for your stomach.

If the crab just died not long ago, there will be no problem. When eating it, it will be stained with Jiang Mo and vinegar, which can not only season but also prevent diarrhea.

If the crab has been dead for a long time, it smells stale and stinks, so it can't be eaten.

When you usually buy fresh crabs, boil them first and keep them in the refrigerator. Never put raw crabs in the refrigerator, because then the meat in the crabs will be gone.