1. Pour hot water at about 90℃ on the fish, then scrape off the mucus with a small teaspoon, and finally rinse the eel with cold water;

2. Prepare a certain amount of salt, sprinkle it on the eel, start scratching, which can completely remove the mucus on the eel surface, and finally wash the eel thoroughly with clear water;

3. Baking soda can also be used to remove mucus from eels. It is also possible to leave mucus on eels, which contains protein, polysaccharides, amino acids and multivitamins.