Nutrition comes from food, and we choose food according to children's needs for various nutrients. Different foods contain different nutrients. According to the nature of food and the types of nutrients, food can be roughly divided into five categories: cereals, meat, eggs, fish, beans and products, vegetables and fruits, and calorie foods.

2, the principle of reasonable collocation

While eating a variety of foods, pay attention to the collocation between foods to achieve a balanced diet. Protein, fat and sugar account for 12% ~ 15%, 25% ~ 30% and 60% ~ 70% of the total calories in children's daily diet, protein from animal foods accounts for13 of the total calories, and bean protein and plant protein account for1of the total calories.

The collocation principle between three meals: high-quality breakfast; Chinese food is of high quality and high calorie; Dinner is light and digestible. In terms of quantity, breakfast accounts for 25% ~ 30%, lunch accounts for 30% ~ 40%, lunch accounts for 5% ~ 10% and dinner accounts for 25% ~ 30%.

3. The principle of considering children's physical and mental characteristics

In order to meet the physical needs of children, we should not only provide nutritious food, but also consider the psychological and physiological characteristics of children. When cooking, we should pay attention to the color, fragrance, taste and beauty of food, and often change the varieties of colors, so that coarse grains can be carefully cultivated and flour and rice can be skillfully cultivated.

4, combined with the principle of local food supply at that time.

When making recipes, we should know the local market, choose cheap food, eat more seasonal fruits and vegetables, pay attention to the variety of food types and cooking methods, pay attention to scientific cooking and processing, reduce the loss of food nutrients in the production process, and achieve full color, flavor and taste.