First of all, adjust from the daily diet, don't eat too sweet and greasy things, eat more fruits and vegetables, and it is best to eat milk and boiled cereal to ensure nutrition and not feel full, which is also good for learning (generally, overeating is not conducive to thinking test). Lunch should be properly matched with staple food and non-staple food, especially green leafy vegetables. It's best to finish eating before 7 o'clock, and don't eat too much staple food and meat. It is best not to eat soy products until 8 o'clock. Just eat enough. If you are tired of studying at night, drinking a cup of soybean milk or freshly squeezed juice is good for sleep and intestinal peristalsis. It is even more necessary to exercise at ordinary times. If possible, buy a treadmill and run for 20 minutes two hours after dinner every day. Do a ligament job, and remember not to fish for three days and dry the net for two days.