Heart fire mainly refers to the condition of heart heat and fire, and there is a distinction between deficiency and reality. Deficiency fire can be manifested as hot flashes (hot feeling starting from the face or chest and spreading to the whole body), insomnia and dreaminess, heartburn, dry mouth and throat. The medicines can be used such as Tianwang Xinxintan; solid fire can be manifested as irritability, insomnia, swollen and painful gums, dry mouth and so on. It can be manifested as heartburn and anger, insomnia, gum swelling and pain, and dry mouth. Tianwang Xinxin Tonic Dan has the effect of nourishing yin, nourishing blood, tonifying the heart and tranquilizing the mind. It is used for insufficiency of heart yin, palpitation (rapid heartbeat, often accompanied by panic), forgetfulness, insomnia, dreamy, and dry stools. Applicable to heart yin insufficiency, deficient in fire. Avoid eating spicy and fishy things, cold patients should not. Niu Huang Qing Xin Wan has the effect of clearing heat and removing toxins (removing heat and toxins from the body), and calming the mind (using drugs of heavy nature to stabilize the mind). It is used for the symptoms of heat into the pericardium (heat evils invade the pericardium), heat bloom and wind (heat bloom triggers the emergence of wind evils in the body), and symptoms such as high fever, irritability, confusion, babbling, and pediatric febrile convulsions (due to the high fever causing convulsions and seizures). Pregnant women should be cautious. Go to the heart fire drug specific effect varies from person to person, need to combine their own situation, it is recommended that patients go to the hospital in a timely manner for professional treatment.