First of all, hang the grass carp scales quickly and clean up the internal organs.

2/5

Row in from the back of the fish with a kitchen knife and slide down the fish ribs.

3/5

The fish was cut. Cut both sides of the fish like this and the fish will come out.

4/5

Cut the lines of the fish with a diagonal knife.

5/5

Then you can start cooking fish with Chinese sauerkraut.