Eating more fish makes children smarter, there is no scientific basis for this, but fish can help the body to supplement DHA and high-quality protein, which is a very high-quality food for physical development and brain development. Fish is rich in protein, amino acids, vitamins and other nutrients, especially deep-sea fish, rich in DHA, and tender fish, less fat, more conducive to be digested and absorbed by the child, the parents can give the child appropriate to eat fish, for the development of the body as well as to enhance resistance and immunity have a certain degree of help. However, there is no scientific evidence that eating more fish makes children smarter. Eating fish can only be said to be beneficial to the child’s body and brain, smart or not smart and genetics have a direct impact, in addition to eating fish need to pay attention to observe whether the child has an allergic situation, there are allergies recommended not to eat.