2. In daily life, you can put the bought shrimp into the water to ensure sufficient oxygen, which can prevent the shrimp from dying. When cooking shrimp, you must remove the shrimp line from the shrimp you bought and wash it clean. If it is frozen shrimp, remember to thaw it first, and then remove the shrimp line with a toothpick, which can remove a large part of the fishy smell of the shrimp.