The step of making paper-wrapped fish at home is to add onion ginger, cooking wine, salt, onion and celery in clear water, and soak the fish for half an hour to remove the fishy smell. After the water boils, steam for 6 minutes, then simmer for 2 minutes. Fish weighing more than 1.5 kg should be steamed for 2 minutes and then simmered for 2 minutes.

Fish (scientific name: Piscium) is a general term for aquatic vertebrates with variable temperature. It is covered with bone scales, breathes through gills, swims through the swinging of tail and trunk and the coordinated movements of fins, and feeds on the upper and lower jaws. It belongs to the vertebrate subfamily of Chordata and is the oldest vertebrate. Fish is rich in animal protein and phosphorus, which plays an important role in the development of human physical strength and intelligence.