Middle school students have three meals a day for breakfast: egg pancake (flour 150g, egg 50g, vegetable oil 5g, appropriate amount of seasoning), milk 250ml, and fried mung bean sprouts (mung bean sprouts 200g). Lunch: Dumplings (noodles 100g, lean meat 80g, vegetables 150g, vegetable oil 5g, appropriate seasoning) and mung bean porridge (polished rice 50g, mung bean 25g). Dinner: red bean rice (japonica rice 150g, red bean 25g), stewed swordfish (swordfish 100g, vegetable oil 5g, onion, ginger, garlic, cooking wine, soy sauce and monosodium glutamate), fried celery (celery 75g, dried bean curd 30g, vegetable oil 5g, monosodium glutamate). Extra food: seasonal fruits.