“Fire” belongs to the category of traditional Chinese medicine heat evidence, mulberry is cold, generally does not lead to heat evidence, it is recommended to consider other causes with the medical history or systemic symptoms. Mulberry is cool in nature, sweet and sour in taste, with nourishing the liver and kidney, nourishing the blood to dispel the wind, applicable to the liver and kidney insufficiency (liver and kidney weakness) resulting in deafness and dizziness, premature whitening of the beard, neurasthenia, etc., but also for the treatment of constipation, rheumatism, arthralgia and so on. Note that it is used with caution for those with cold spleen and stomach deficiency (weak and cold spleen and stomach). Mulberry is cool in nature, usually does not lead to the emergence of heat evidence, the emergence of heat evidence may be other reasons. For example, dietary factors, overeating spicy, greasy, fried food, or excessive use of pungent, warm, dry and hot drugs, such as epimedium, cangzhu and so on. External factors can also lead to heat syndrome, such as external wind-heat, resulting in sore throat, chills and fever, or external wind-cold, which enters the interior and transforms into heat, resulting in heat syndrome; or emotional factors, the qi is depressed and transforms into heat (evil qi stays for too long and is transformed into heat), so there is internal heat of liver fire. If there is fire and other heat evidence, it is recommended to ask the doctor, under the guidance of the doctor to clarify the cause of the disease, the treatment of the cause, and the use of mulberry under the guidance of the doctor.