Children occasionally drink a small amount of drinks generally do not have any harm, but long-term large amounts of drinks, there may be the following aspects of harm: malnutrition, dental caries, lack of calcium, and so on. 1. Malnutrition: Drinking beverages will make the child feel full, if you drink a lot of drinks for a long time, it is easy to affect the child’s normal eating, and over time it is easy to cause insufficient nutrient intake, malnutrition, and in the long run, it may have an adverse effect on the growth and development of the child. 2. Dental caries: Because drinks contain more sugar, drinking a lot of drinks may corrode the teeth, resulting in dental caries. 3 Calcium deficiency: children drink drinks, especially a large number of carbonated drinks, easy to lead to the body of the calcium absorption and utilization of the impact, over time, may cause the child calcium deficiency, but also appear sweating, poor quality of sleep and other discomforts. It can be seen that children drink a lot of beverages for a long time has some harmful effects, therefore, parents should try to avoid their children drinking beverages. When the child is found to be unwell, it is recommended to seek medical advice as soon as possible.