The symptoms of internal fire in babies mainly include the following: 1, abnormal urine and stools, internal fire will appear yellow urine, urine volume is less, very dry stools, and even bleeding stools; 2, abdominal discomfort, if the internal fire is mainly heat in the spleen and stomach, will lead to bloating, abdominal pain and other symptoms of the digestive tract; 3, will appear inflammation of the oral cavity, such as frequent stomatitis, tongue inflammation, lip inflammation, etc.; 4, will also appear repeated inflammation of the tonsils, and even manifest purulent tonsillitis; 5, will also appear eye symptoms, if the internal fire is mainly liver fire, the eyes will be very red, more eye stools.