1. Cut off the old part of the bamboo shoots, strip off the clothes and shred the bamboo shoots.

2. After the bamboo shoots are treated, add raw water or filtered water and press something on it to ensure that the bamboo shoots are underwater.

3. The bamboo shoots that have been kept for 24 hours are sour. Pour out the water for soaking bamboo shoots and add salt.

4. After the salt is stirred evenly, it will come out again. Press the bamboo shoots tightly and leave them at room temperature for 24 hours to eat.