Basha fish belly and grouper belly should not be directly compared. Because of the different uses of the two kinds of fish bellies, the protein and fat content of Basha fish bellies are high, and the main nutrients are polysaccharide and viscous colloid high-grade protein, which can treat boils, nameless swelling and skin rupture. It can also relieve back pain, tuberculosis, vomiting blood, impotence, tracheitis and other diseases. The main components of the stomach of grouper are high-grade collagen, vitamins, calcium, zinc, iron and selenium.