I am happy to answer your questions about three meals a day for children.

In order to ensure the nutritional health of children, the following are some suggestions:

1. Breakfast: Breakfast is the most important meal of the day and should contain protein, carbohydrates and fat. You can choose milk, eggs, whole wheat bread, fruits and other foods. Make sure breakfast provides enough energy to help children stay focused and energized in the morning.

2. Lunch: Lunch should contain protein, vegetables and grains. For example, chicken, fish, beans, rice or pasta with a variety of vegetables. This combination can provide adequate nutrients such as vitamins, minerals and fiber.

3. Dinner: Dinner should be light to facilitate digestion and sleep. Choose vegetables, lean meats, fish or beans as your main protein source. Avoid too many greasy foods and high-sugar foods to avoid affecting digestion and sleep quality.

4. Snacks: If you need to add snacks, choose healthy options such as fruit, nuts, yogurt or salad greens. Avoid too many snacks high in sugar and salt, which can lead to obesity and other health problems.

5. Drinking water: Make sure children drink enough water every day. Water is very important for maintaining body function and health. Children need to drink an appropriate amount of water each day, depending on their age and weight.

In addition, each child's nutritional needs may vary, so it is recommended to consult a pediatrician or professional nutritionist for personalized advice and guidance.

Hope this information is helpful! If you have any further questions, I'll be happy to answer them.