In general, parents are advised to provide appropriate calcium and vitamin D supplementation to infants with cartilage in the larynx. calcium supplementation is not necessarily very demanding, but vitamin D intake or cod liver oil and sunlight exposure are very important. Among other things, sunlight exposure can promote the synthesis of vitamin D in the skin. The best time for sunlight exposure is around nine o’clock in the morning and five o’clock in the afternoon, try not to irradiate at noon when the sun is stronger, because the sun is more light at noon, and the weather is hot, so this time is not suitable for going out. However, in winter, you can get sunlight at noon. The treatment of laryngeal cartilage chondrosis also requires calcium supplements. Many children drink powdered milk, which has a certain amount of calcium fortification, but it has a certain amount of calcium requirement. Therefore, in the process of treatment, you should also consult your doctor in detail about how to use the medication according to your specific situation. With aggressive intervention for laryngeal cartilage tenderness, the child’s condition will improve by about one to one and a half years of age.