There is no such thing as “what kind of fish is best for the brain”. Fish, as a common food, can provide the body with the required energy and nutrients when eaten in moderation, but it does not have the same efficacy and effect as medicine. Fish species are abundant, common carp, grass carp, silver carp, crucian carp, striped bass, etc., usually rich in protein, calcium, phosphorus, potassium, fatty acids and other nutrients, easy to digest and assimilate, and fish fat content is low, and mostly unsaturated fatty acids, moderate consumption is conducive to replenish the body’s required protein and other nutrients. Although fish is rich in nutrients, it is not advisable to consume too much, which can easily lead to abdominal pain, diarrhea and other gastrointestinal discomforts. People who are allergic to fish should be prohibited from eating it. Eating fish should also be careful of fish spines, such as eating fish after the discomfort symptoms, it is recommended to promptly seek medical attention.