If children are thin, it is better to eat the following foods or medicines. First of all, children can eat more fish, shrimp, eggs, milk and other high-quality protein, high-quality protein can effectively promote the growth and development of children, to correct the children’s obvious thin malnutrition. Secondly, children can eat more duck meat, duck meat has a good effect of nourishing yin, children are often thin due to yin deficiency caused by the body, give children appropriate to eat more duck meat can alleviate yin deficiency. Again, children can eat more yam. Yam has a good nourishing effect on the spleen and stomach yin deficiency, spleen and stomach yin deficiency is corrected, the child’s ability to transport and digest will be enhanced, improve the thin condition. Finally, children can be given more yin tonifying medicines, such as the application of Liu Wei Di Huang Wan to children.