Diet of high school students pay attention to food safety, reasonable structure, do not blindly big fish and meat and suddenly change the original diet. 1. Ensure food safety food source, storage, processing, production to ensure safety and hygiene. It must be cooked thoroughly, and it is best to eat now. Try to eat at home or at school, and eat less cold and raw food. 2. Reasonable meal structure. Pay attention to the total amount and structure of meals. Ensure a balanced diet, food diversity, including staple foods, vegetables, meat, eggs, fruits and so on. 3. Eat moderately. Avoid large fish and meat, excessive consumption of high-protein, high-fat food, may cause gastrointestinal fatigue, diarrhea, loss of appetite, etc.; oversatiety is also easy to cause blood collection in the digestive system, the brain blood supply is relatively insufficient, affecting the play of thinking, brain fatigue, easy to sleep, reduce learning efficiency. 4. Do not suddenly change eating habits. Try to maintain the child’s original eating habits, do not eat usually have not eaten things, or easy allergies or intolerance of food. In order to avoid physical discomfort, affecting the performance of the examination.