Provide necessary nutrients, such as energy, protein, vitamins, etc. Ensure the normal metabolism of the body and avoid obesity caused by excessive intake. Common healthy foods include whole grains rich in carbohydrates, eggs, lean meat, fish, shrimp and other foods rich in protein, as well as fruits and vegetables rich in vitamins and dietary fiber such as tomatoes, lettuce and apples. In addition, daily cooking emphasizes less oil, less salt and less sugar, more steaming, boiling and cold salad, and less frying, frying and frying. It is recommended to eat less and more meals every day to avoid overeating.

Nutritionists have designed a food pyramid to help people understand healthy eating. The first floor is cereal, such as bread, rice, noodles, etc. , which is the widest layer, which is the main part of the dietary structure. The second layer is fruits and vegetables, such as grapes, watermelons and carrots. The third layer is milk, yogurt and other dairy products, and the top layer is fat, sugar or their mixture. It should be noted that because other layers also contain fat and sugar, the extra intake of fat and sugar in the top layer should be limited. In daily life, we can refer to the contents of the food pyramid, adjust the diet structure, and reasonably match the healthy diet that suits us.