There is no best food or medicine for children when they are growing up, but you can supplement high quality protein, cod liver oil and calcium to maintain the normal growth and development of the body. 1. Supplement high quality protein: such as chicken, beef, milk, eggs, etc., all belong to the food containing high quality protein, moderate consumption can supplement the body nutrients. 2. Cod liver oil: Cod liver oil contains a certain amount of vitamin A, children in the growth and development of moderate consumption, can maintain the body’s growth and development needs. 3. Calcium: Calcium is a mineral in the human body, and proper supplementation of calcium is helpful for the growth of children’s bones. When children take calcium supplements, they should use them properly under the guidance of a doctor. Avoid overdose and the phenomenon of calcium deposition. Children should go to the hospital for regular medical checkups during their growth and development. Eat a light diet, with more food containing more vitamins as well as proteins.