Consumption of maltose in small amounts is generally not seriously harmful to children. But children eating for a long time may have dental damage, obesity, intestinal discomfort and other adverse reactions. 1. Dental damage: children who eat maltose for a long time, and do not clean their teeth in a timely manner, it is easy to lead to dental damage, such as tooth decay and other situations. 2. Obesity: due to prolonged intake of excessive sugar, it is easy to lead to a continuous increase in body heat, and when it can not be quickly metabolized, it may lead to the accumulation of fat components and the phenomenon of obesity. 3. Intestinal discomfort: a large amount of maltose, the stomach and intestines may not be absorbed in a timely manner, which is fermented by the gastrointestinal tract of the bacterial flora, producing gas, bloating, diarrhea and other symptoms may occur. It is recommended that children consume maltose appropriately to avoid the above adverse reactions. If the above adverse reactions occur, should go to the hospital in a timely manner, follow the doctor’s instructions for treatment, to avoid delay.