1. Fish contains globulin, albumin and a large amount of unsaturated fatty acids, which can provide high-quality protein and calcium to the brain. Appropriate intake can enhance and improve children's memory. 2. Milk is rich in protein, calcium and amino acids needed by the brain. The calcium in milk is the easiest to be absorbed by the body and has good effects on enhancing immunity and strengthening the brain and intelligence. 3. Although spinach is a cheap vegetable, it is rich in nutrients. Spinach contains a large amount of vitamin C and trace elements, which is the best supplier of brain cell metabolism. Spinach is also rich in chlorophyll, which has a good brain-building and intelligence-improving effect. 4. You can eat more walnuts, black sesame seeds, and melon seeds, which can strengthen the brain and improve memory.