Internal heat in infants is usually caused by the accumulation of food (indigestion of food and accumulation in the stomach) or Yin deficiency and fire (deficiency of Yin and essence in the body, and hyperactive fire), and it is recommended to combine with other symptoms for diagnosis and treatment. Internal heat refers to the internal organs of the yin and yang bias heat, there are real heat and imaginary heat, real heat common palpitations (rapid heartbeat, often accompanied by panic), thirst, dry stools, urine color dark, irritability, emaciation, etc.; imaginary heat common low fever, hand, foot, heart heat, heartburn, insomnia, dry mouth, dry pharynx, sore throat and other symptoms. Children with solid heat caused by food accumulation due to improper diet or deficiency heat caused by Yin deficiency and fire exuberance can be treated by taking Baohe Pills or Zhibai Di Huang Pills. Baohe Pills are effective in eliminating food stagnation, inducing stagnation and harmonizing the stomach, and are often used in the treatment of epigastric (abdominal) distension and fullness, regurgitation of stomach and swallowing of acid (swallowing of acid from the stomach upward to the oropharynx), and loss of appetite, etc., caused by food stagnation and stagnation. Avoid alcohol and spicy, cold, raw and greasy food. It is not advisable to take tonic Chinese medicines at the same time. Zhi Bai Di Huang Wan has the effect of nourishing yin and clearing heat (nourishing yin essence and removing heat), and is often used in treating hot flashes (a burst of fever), night sweating (abnormal sweating after going to sleep and stopping after waking up), dry mouth, sore throat, ringing in the ears, and short and reddish urination (small amount of urination, dark yellow in color), etc., caused by yin deficiency and fire exuberance. Pregnant women should take it with caution, and patients with deficiency cold are forbidden to take it. It is not suitable to be taken at the same time with cold and flu medicines. It is recommended that patients in need of treatment should consult a doctor in time and take medication under the guidance of the doctor’s diagnosis.