For children with poor resistance, you can give the following foods to improve their physique: First, you can eat more nutritious food. For example, you can eat more fish, shrimp, eggs, milk and other high-quality protein. High-quality protein not only promotes growth and development, but also can effectively improve immunity. The immune substances in the body are often due to the composition of protein, if the protein intake is lacking, it will cause a decline in immunity. Secondly, you can eat more mushroom food, mushroom food has obvious role in regulating immunity, often eat more shiitake mushrooms, flat mushrooms and other mushroom medicine for immunity, resistance is a certain benefit. Finally, you can eat more yam, yam has the effect of strengthening the spleen. The effect of yam to strengthen the spleen is very good, and suitable for long-term application, the spleen and stomach function after good resistance will naturally be enhanced.