Ingredients: 4000g bracken, salt.

Steps:

1, fresh bracken shampoo;

2. Spread out and drain, and let it stand overnight;

3. Put the drained bracken into a large-capacity basin and sprinkle with appropriate amount of salt;

4. Knead the salt evenly by hand, knead the bracken evenly and let it stand for 30 minutes. When the bracken turns black, water comes out from the bottom;

5. Find a clean bottle with a lid without oil and water, press the bracken tightly, pour an appropriate amount of salt water, and finally pour an appropriate amount of high-alcohol liquor to seal it;

6. Cover the lid tightly and put it in a cool place.