The harm of baby eating sugar is mainly caused by the high intake of sugar, which may affect the baby’s oral health, nutritional intake and the level of trace elements in the body, causing dental caries, obesity, malnutrition, calcium deficiency, etc., which is not conducive to the growth and development of the baby. 1, oral health risks: the chances of dental caries and gingivitis occurring in babies who often eat sugar are significantly higher. After the baby eats sugar, because the baby does not pay attention to brush the teeth and rinse the mouth will lead to the retention of sugar lipid in the baby’s mouth, thus leading to the growth of bacteria in the mouth, easily causing the appearance of dental caries. Dental caries is a common disorder of pediatric oral cavity, which can be treated clinically by filling, root canal treatment, tooth extraction, etc.; 2, poor nutritional intake: if baby often eats sugar, after too much sugar intake, it will cause baby to feel full and affect baby’s normal feeding, which will lead to lack of other nutrients and affect baby’s normal growth and development in the long run. And sugar will be converted into fat in the body, thus causing obesity in the baby; 3, trace element loss: with the operation of sugar in the body, will consume the body’s minerals and trace elements, resulting in calcium deficiency or zinc deficiency in the baby, so that some clinical symptoms. Micronutrient deficiency will have certain effects on the growth and development of the baby, such as calcium deficiency affecting the development of bones and nerves, and zinc deficiency affecting the immunity of the body. Usually need to supplement the right amount of trace elements under the guidance of a professional physician; 4, increase the risk of diabetes: If the baby eats too much sugar, it is also easy to lead to the possibility of diabetes in the distant future, and it is also easy to cause a certain burden on the cardiovascular system, so it is not recommended to eat too much sugar. So often eat sugar, there are certain effects on the baby. So try not to let your baby eat too much sugar to avoid the impact on your baby’s growth and development.