Chinese medicine believes that “fire” is mostly related to internal heat, Colla Corii Asini is sweet and flat in nature, and under normal circumstances, it will not cause the manifestation of fire, if there is “fire” and other internal heat, you can choose drugs that have the effect of clearing heat and diarrhea, such as Scutellaria baicalensis, Zhimu, and so on. 1. Colla Corii Asini: This medicine is sweet and flat in nature, belonging to lung, liver and kidney meridians, with the efficacy of tonifying blood and nourishing yin, moistening dryness and stopping bleeding, and it can be used for conditions such as deficiency of blood and atrophy, dizziness and palpitations, impotence and weakness of muscles, disturbances and insomnia, deficiency of wind and internal movement, cough with dryness of the lungs, coughing and haemoptysis due to exertion, vomiting and urination of blood, blood in stool, bleeding and leakage of blood in the bowels (menstrual bleeding in excessive amount or more than one drip), and pregnancy and foetal leakage of blood in the womb (small amount of bleeding of the vagina in the early pregnancy). When using Colla Corii Asini, it should be noted that it should be taken with caution by people with weak spleen and stomach and indigestion. 2. Scutellaria baicalensis: this medicine has the effects of clearing heat and drying dampness, diarrhea and detoxification, stopping bleeding, and tranquilizing the fetus, and can be used in conditions such as dampness-warmth (warmth caused by feeling dampness-heat), summer-dampness, chest tightness and vomiting, dampness-heat lumps and fullness (stomach distention and discomfort), diarrhea, jaundice, blood-heat and epistaxis (vomiting of blood and nosebleed due to blood-heat), carbuncle, swelling, sores and poisoning, and restlessness of the fetus. When using Scutellaria baicalensis, it should be noted that it is not suitable for people with deficiency and heat in the spleen and lungs. 3 Zhi Mu (知母): with the efficacy of clearing away heat and fire, nourishing yin and moistening dryness (nourishing yin essence and clearing away heat), this herb can be used in diseases of exogenous heat, high fever and thirst, lung-heat and dry cough, bone-vacuating tidal fever (a burst of heat, feeling that the heat is penetrating from the inside of the bones outward), and constipation with dryness of the intestines and bowels. It should be noted that it is not suitable for people with cold spleen and stomach. If you need to use the above medicines, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician.