Children eating ice cream may cause obesity, tooth decay, gastrointestinal discomfort and other hazards. 1. Obesity: Because the main ingredient in ice cream is high in calories and contains trans fatty acids, long-term consumption may cause the accumulation of abdominal fat, thus causing obesity. 2. Tooth decay: ice cream contains a lot of sugar, if children do not pay attention to oral hygiene, sugar may be retained in the teeth, resulting in tooth decay. 3. Gastrointestinal stimulation: Because ice cream is cold in nature, if consumed over a long period of time, it may lead to gastrointestinal vasoconstriction, which may stimulate the stomach and intestines, causing stomach pain and diarrhea. It is recommended that children should pay attention to the right amount of ice cream, so as not to affect the healthy development of the body.