Remove the scales and internal organs of the fish, scrape off the membrane in the stomach, coat a small amount of salt inside and outside the fish, and cover the fish with ginger slices.
After the water in the pot is boiled, add the fish, steam for 8 minutes on medium heat, and then steam for 2 minutes after turning off the heat.
Turn off the fire and pour out the juice of the steamed fish. After all, it smells like fish.
Take an oil pan, heat oil, add light soy sauce, a little vinegar, oyster sauce, ginger slices and shredded onion, boil and pour over the fish.