Fire is usually a folk saying, generally refers to the imbalance of yin and yang in the human body due to various reasons, internal fire, which can be divided into real fire and imaginary fire, and can usually be treated with Huanglian detoxification soup, Zishui liver clearing drink, and so on. Specifics should follow the doctor’s instructions. Clinical manifestations of real fire include mouth and tongue sores, sore throat, red face and eyes, high fever, irritability, thirst for cold drinks, short and red urine (small amount of urine, dark yellow in color), and constipation, etc. Herbal medicines that remove heat and diarrhea (removing the fire and heat from the body) can be used to clear the heat and fire in the internal organs, such as Huanglian Xieyue Tang. Common clinical manifestations of deficiency fire include dry mouth and throat, hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, which stops after waking up), flushing of the cheekbones (reddish color of the cheekbones on both sides of the face), hunger, insomnia, and short urination. Traditional Chinese medicines can be used for treating yin deficiency fire (deficiency of the body’s yin essence, which leads to hyperactivity of deficiency fire) by nourishing the yin to reduce the fire, for example, Nuisance Water Clearing the Liver Drink. The adverse effects of the above prescriptions are not known. Parents should not take medication without authorization to avoid delays, but should go to the hospital and use the right medication under the diagnosis of a professional Chinese medicine practitioner.