1, plastic bottle preservation method: wash crayfish with salt water, then put shrimps into plastic bottles, then pour the remaining salt water after washing shrimps, tighten the bottle cap and freeze.

2. Preservation method of the fresh-keeping box: stack them in the fresh-keeping box in the order of one layer of shrimp and one layer of sugar until they are all installed, and finally cover them for quick freezing.

3. Preservation method of fresh-keeping bag: cut off the beard and thorns of shrimp and put them into fresh-keeping bags, cover them with three fresh-keeping bags and seal them and freeze them.

4. Boiling preservation method: first, put the fresh shrimp in water to boil, drain the water, put it in a fresh-keeping bag, and then freeze it.

Matters needing attention in fresh shrimp preservation

1. Don't wash the shrimp. After buying prawns home, dry the surface and you can keep them. Don't get wet. Just wash it when you eat it.

2. Shrimp and creeper should be raised separately according to the quantity. Although prawns are delicious and nutritious, it is not recommended to eat too much at a time. If you want to thaw a lot of frozen shrimps together, it will be an endless waste.