1, soak the fish in cold water, add two spoonfuls of vinegar, and then remove phosphorus after two hours, which is easy to scrape;

2. If the fish is dirty, you can scrub it with rice washing water, which will not only clean the fish, but also make your hands not too awkward;

3. When washing fish, first wash the fish with fine salt, and then rinse it with clear water to make the fish clean.

However, you need to pay special attention to the gallbladder of carp. Try not to break it when washing. If you accidentally break the gallbladder, you can quickly put baking soda in the place where there is a gallbladder, or sprinkle some wine, and then rinse it with water!