1, vegetable oil preservation method. Pickled fish can be preserved for one year after air drying and soaking in vegetable oil.

2. Preservation methods of salt. Put a bamboo frame at the bottom of the tank, sprinkle some salt, put the dried preserved fish into the tank, spray a layer of white wine on each layer, sprinkle some salt on the top layer, and cover it with kraft paper or toilet paper. Then mix the mud with salt water and seal it. It can be preserved for one year without leakage.

3, quick lime preservation method. Putting the air-dried preserved fish into pottery, covering it with cloth and boards, finding a dry place to spread 6 ~ 7 cm of quicklime, and pressing the jar on the lime can prolong the drying period of preserved meat to more than 4 months.