If children have stomach fire, it will be manifested in the following clinical symptoms: 1, manifested as a very good appetite, because the stomach fire is more vigorous, which leads to the amount of food more than children of the same age. But because of the stomach fire is relatively strong, although the amount of food, but the weight and children of the same age, or even lower than children of the same age; 2, appear very like to eat cold drinks, because the stomach fire will lead to irritability in the chest, which leads to like to eat cold drinks, after eating cold drinks, feel very comfortable, eat hot things is very difficult; 3, bad breath and often mouth ulcers and other symptoms; 4, the stomach fire will also be very dry stools, and the stool is very dry. Stools are very dry and often granular. For children with heavy stomach fire, Sanshuang tablets can be used to regulate.