Prolonged internal heat may be due to internal injuries and fever, which is related to yin deficiency, yang deficiency, qi deficiency, blood deficiency and qi depression. 1. Fever due to yin deficiency: characterized by afternoon hot flashes (a burst of heat), or nighttime fever, heat in the hands and feet, hot flashes and night sweats (abnormal sweating after going to sleep, but sweating stops after waking up), etc. It can be treated with clearing the bones with the function of nourishing yin and clearing away heat (nourishing the yin essence and clearing away the heat evils). 2. Fever due to yang deficiency: characterized by fever and desire to wear clothes, coldness (cold body), coldness, lack of warmth in the limbs, and 晄white color of the face, etc. It can be treated with Jin Gui Ren Qi Pills, which have the function of warming yang qi and inducing fire to return to the source of energy (inhibiting the rise of fire in the kidneys). 3. Fever due to qi deficiency: characterized by fever after exertion, tiredness and fatigue, and spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating when one moves a little), etc. It can be treated with tonifying zhong yi qi tang, which has the effect of tonifying qi and strengthening spleen (regulating the qi of the spleen and stomach), and removing heat by sweet and warming (using sweet and warming traditional Chinese medicines to treat the body’s fever). 4. Fever due to blood deficiency: characterized by low-grade fever, white face with little blush, and pale lips and nails, etc., it can be treated with Gui Spleen Soup, which has the function of benefiting qi and nourishing blood (replenishing the body’s qi and blood). 5.qi depression fever: with low fever or hot flashes (a burst of fever), mental depression, irritability, coarseness and fullness of the symptoms as the characteristics, can take has the liver to dredge up the qi (regulates the liver qi stagnation), the role of the dan jia jia xuan shan which relieves the depression and relieves the fever, and so on. Appears the above symptom person should consult the doctor in time, under the professional physician’s guidance to use the above medicines, do not take by oneself, in order not to cause the organism damage.