Animal livers, they are very nutritious, the most prominent is rich in iron and vitamin A. Because of the special nature of animal offal, the processing must be maximized to clean it. To wash chicken intestines, add some salt and rub repeatedly to remove the mucus and odor from the exterior. For the chicken liver part, rinse it with running water until it is free of blood and then slice it and put it into the water with added peppercorns and vinegar to soak it can effectively remove the toxins. One side of the gizzard has more folds, and you can add some cornstarch and rub it during the cleaning process to help clean the dirt from the folded part of the gizzard.