1, First, after killing Duobao fish, wash the fish body, preferably with salt water, which can better clean the scales and fishy smell on the surface of the fish body.

2. Cut a hole from the belly of the Duobao fish with a knife, preferably from the lower gill to the tail, and then take out most of the internal organs of the fish by hand.

3. Clean the belly of Duobao fish with salt water again, and gently scrape off the remaining internal organs attached to the belly of the fish with a knife.

4. Wash away the remaining internal organs with water, and finally wash all the Duobao fish with clear water.