1. Oranges contain a lot of vitamins, is a typical alkaline food, it can eliminate a large number of acidic food on the nervous system caused by the harm. Eat some oranges often during the examination in moderation, can make people energetic.

2. Millet contains vitamins B1 and B2, and its protein contains more tryptophan and methionine. Clinical findings show that eating millet has the effect of preventing aging and growing memory.

3. The main ingredient of MSG is monosodium glutamate, which can be converted into glutamic acid under the action of stomach acid. Glutamic acid can promote people's intellectual development, maintain and improve brain function. Regular intake of MSG is helpful in improving intellectual deficiencies and memory disorders.

4. Lemon also contains a lot of vitamins, can also help people enhance memory.

5. Milk contains a lot of protein, calcium and other essential amino acids for the brain. Calcium in milk is an important substance indispensable for brain metabolism, and it also contains vitamin B1 and other elements that are very beneficial to nerve cells.

6. And fish, they can provide the brain with high-quality protein and calcium, can protect the cerebral blood vessels, and brain cell activity has a role in promoting.