Zhi Bai Di Huang Wan has the effect of tonifying the liver and kidneys, its dosage and course of treatment vary from person to person and from disease to disease, and should be taken according to medical advice. If you are physically weak or have liver or kidney insufficiency, you should take the medicine under the guidance of a medical professional. Zhi Bai Di Huang Wan is composed of Radix Rehmanniae Praeparata, Cornu Cervi Pantotrichum, Cornu Cervi Pantotrichum, Rhizoma Coptidis and Rhizoma Polygonati. In this formula, Radix Rehmanniae Praeparata nourishes yin and tonifies the kidney, benefiting the essence and filling the marrow; Cornus Officinalis and Chinese yam nourish the kidney and consolidate the essence (consolidating the kidney essence by tonifying the kidney), benefiting the qi and nourishing yin (tonifying the qi and yin); Zhi Materia Medica clears away the heat and moistens the yin and dries the dryness (nourishing the yin and essence, clearing away the heat and evils); Phellodendron Bark nourishes the yin and lowers the fire (nourishing the yin and essence, lowering the heat); Poria strengthens the spleen and induces dampness; Ze Xie clears heat and induces diuresis; Dan Pi clears heat and cools blood (relieving blood heat by clearing heat). All the herbs work together to nourish Yin and lower Fire. Zhi Bai Di Huang Wan is used to treat the symptoms of yin deficiency and fire exuberance (deficiency of yin and essence in the body, resulting in hyperactive fire), such as emaciation, red cheekbones, sweating, dry mouth and throat, heat in the hands, feet and heart, tinnitus and spermatorrhea, lumbar and knee soreness and weakness, and short and yellow urination. Avoid indigestible food during the period of taking the medicine; it is not suitable for people with cold and fever, spleen deficiency diarrhea (diarrhea caused by weak function of the spleen), stagnation of qi and abdominal distension; it is forbidden for people who are allergic to the ingredients of the medicine. Please follow your doctor’s instructions on how to take the medicine.