Grass carp is a kind of common fish, does not have the efficacy and effect of treating diseases, but can provide protein and other nutrients. Grass carp is often eaten in the life of the fish, in which every 100 grams contains 16.6 g protein, 203 mg phosphorus, 312 mg potassium and 475 kilojoules of energy and other nutrients, moderate consumption of grass carp can replenish the body’s nutritional and energy needs. Although grass carp is rich in nutrients, it is not recommended to consume it in excess to avoid gastrointestinal discomfort such as bloating and abdominal pain. Children should consume grass carp under adult supervision to avoid fish spines getting stuck in the esophagus. It is recommended to eat grass carp with fresh fruits, vegetables and staple foods to ensure a balanced diet. Grass carp should not be consumed by those who are allergic to fish.