Students study for a long time every day and use their brains for a long time may experience memory loss, dizziness, poor mental health, etc. Food, as the main source of daily nutrition and energy, provides support for the brain and is not limited to only 3 kinds of food, students should have a balanced diet to play a role in brain supplementation, common ones such as protein-rich, fatty acid-rich, DHA and EPA-rich, vitamin-rich and mineral-rich foods, etc.1 The food rich in protein: common such as milk, eggs, such foods are rich in protein, which can provide some support for the formation and development of brain cells, and students can supplement in their daily lives; 2, foods rich in fatty acids: nuts, such as walnuts, cashews, pine nuts and other foods, rich in linoleic acid and other small molecules of unsaturated fatty acids, as well as lecithin and other nutrients, to supplement brain energy, enhance Memory, anti-fatigue has a certain role. Nuts daily consumption of food needs to be moderate, over-eating may appear indigestion and other conditions; 3, food rich in DHA and EPA: deep-sea fish, shrimp rich in DHA and EPA, such as cod, salmon, tuna, shrimp, etc., DHA, EPA intake, can help the brain to replenish energy, regulate metabolism, and to a certain extent to resist brain fatigue; 4, food rich in vitamins and minerals. Fresh vegetables and fruits are rich in minerals such as potassium and phosphorus, as well as vitamin A, vitamin C and other nutrients, such as spinach, broccoli, bananas, apples and other foods, vitamins and minerals supplementation helps maintain brain nerve function and brain cell metabolism, so eating more fresh vegetables and fruits can play a certain effect of brain supplementation. In addition to food for brain, students should combine work and rest, more outdoor sports, which can release stress, relieve fatigue, and ensure sufficient sleep. In addition, students should eat less high-calorie sweets and high-fat foods, which can inhibit the synthesis of unsaturated fatty acids, which can easily cause memory loss, mental fatigue and other adverse effects.