How to eat three meals a day is healthier?

(1) Eat 240-400g of cereals and potatoes every day, including 50- 150g of miscellaneous grains and beans and 50-100g of potatoes; (2) Eat 300-500g of vegetables and 200-350g of fresh fruits every day; (3) Eat 280-525g of fish, 280-525g of livestock meat and 280-350g of eggs every week.