1, first hit the catfish head with a kitchen knife to knock it out, and then put your index finger and thumb into the gills to cut them off.

2. Secondly, break the catfish's neck to avoid catfish struggling. After breaking the belly of the fish to remove internal organs and fish eggs, rinse it with clear water.

3. Finally, chop the catfish, scald it with boiling water, then wash it with clear water to remove the mucus.