There is no such thing as “the best way to regulate internal heat in children”, and the way to regulate it varies from person to person and from disease to disease. Children’s internal heat is often divided into deficiency and actuality, deficiency can be caused by Yin deficiency or Qi deficiency, and actuality can be caused by food stagnation (indigestion of food and stagnation of food in the stomach) or external evils, which can be regulated by different medicines. Yin deficiency and internal heat are commonly characterized by heat in the hands and feet, dry mouth, night sweating, crying at night, emaciation, and dry stools. Medicines can be chosen such as Liuwei Di Huang Pill, etc. Spleen deficiency diarrhea (diarrhea caused by a weak spleen) should be used with caution, avoid spicy and greasy food during the period of taking the medicine. It is not advisable to take cold and flu medicines while taking the medication. Qi deficiency and internal heat are commonly characterized by shortness of breath, fatigue, easy sweating, low voice, dizziness and other symptoms. Drugs can be chosen to replenish Zhong Yi Qi Pill, etc., external fever, food accumulation and abdominal fullness should not be used, should not be taken with quinoa, hypertension patients should be cautious. Internal heat from food accumulation is common with fever, dry mouth and bad breath, nausea and vomiting, loss of appetite, abdominal distension, dry stools with sour odor and other symptoms. Drugs can be chosen Baohe Pills, etc., during the period of taking drugs should eat a light diet, avoid overeating and greasy food, should not be taken at the same time tonic Chinese medicine. External evil into the heat common fear of heat, dry mouth, yellow runny nose, cough yellow sputum, upset, dry stools and other symptoms. Medicines can be chosen such as pediatric clear heat granules. If the child has internal heat symptoms, please consult a doctor for a clear diagnosis and treatment. If you need to use drugs, need to be under the guidance of a doctor.