1, put the squid in fresh water.

2. Then pour in about 100g vinegar, then stir the vinegar evenly and soak it.

3. Soak for about three minutes, take out the squid, and then cross the back and middle of the squid with a knife.

4. From the position of the knife edge, pick it up and pull it to the side a little bit, and the squid skin can be torn off.