Who knows the nutritional principles and requirements of high school students?

Staple food 450-500g, meat 100g, fish and shrimp 25g, eggs 50g, yogurt 200-250ml, soybean and its products 100- 150g, vegetables 300-500g and fruits100-250g. Principle: 1 Diversified diet to meet nutritional needs; Avoid overeating, partial eclipse, picky eaters and blind dieting, eat less snacks and develop good eating habits. Adhere to the diet system of three meals a day. Pay attention to the quality of breakfast and breakfast, and add a cup of yogurt or soybean milk between classes if necessary. Strengthen physical exercise and eat less high-calorie foods: fat, candy, chocolate and fried food. Pay attention to the diet during the exam.