Nutritional science view of diet

The meaning of reasonable nutrition includes: first, eat all the food you should eat, that is, you have to eat all kinds of food to meet the needs of various nutrients. In order to reasonably match the staple food and non-staple food in the diet, we must take coarse grains, flour and rice in the staple food and meat, milk, eggs, vegetables and fruits in the non-staple food. Second, control food intake, and have recommended intake in nutrition. Eating too much will cause metabolic burden. If you eat too little, it will cause nutritional deficiency. Therefore, reasonable nutrition means that the amount of various foods should be just right.