2. After killing, use scissors to plunge into the gills, pick out the gills and cut them off.
3. Turn the Duobao fish upside down and cut a hole under the head with scissors.
4. Take out the internal organs in your stomach with your hands or scissors and throw them away.
5, you can also cut a hole directly in the stomach and take out the internal organs.
6, go to the fish skin. Cut a hole under the gills and slowly peel off the fish skin by hand.
7. If you don't like to eat fish heads, you can start from the gills and cut off the fish heads. Sometimes you do this when you give them to children.
8. Finally, scrape the fish's back with a knife, wash it with water several times and wash it clean.