1. Eat more fruits and vegetables: Fruits and vegetables are rich in vitamins, minerals and cellulose, which helps to keep children healthy.

2. Control the intake of sugar and salt: Too much sugar and salt will have a negative impact on children's health, such as obesity and high blood pressure.

3. Choose healthy sources from protein: Fish, beans, chicken and lean meat are healthy sources in protein, which can help children keep their muscles and bones healthy.

4. Avoid over-processed food: Over-processed food usually contains a lot of additives and sugar, which is not good for children's health.

5. Establish regular eating habits: Let children develop the habit of regular eating, which helps to maintain normal digestive system function.

6. Encourage drinking more water: Water is one of the essential nutrients for human body. Encouraging children to drink more water helps to keep the body's water balance.