1. It is generally recommended that the boiled frozen king crab be steamed in hot water for about 15 minutes, and it should not be too long.

2. When steaming the frozen king crab, we'd better defrost it first, and then steam it in warm water. In order to remove the fishy smell, you can put some ginger slices, chives and cooking wine, which will be more delicious.

3. Generally speaking, king crabs can survive for 24 hours in a wet and cold environment after leaving water. If they can't eat for a short time, they can be stored in the refrigerator.