Zhi Bai Di Huang Wan treats kidney yin deficiency and is characterized by yin deficiency and fire exuberance (deficiency of yin and essence in the body, with the appearance of hyperactive deficiency and fire). Zhi Bai Di Huang Wan is composed of Radix Rehmanniae Praeparata, Rhizoma Zhi Mu, Rhizoma Zedoariae, Rhizoma Cyperi, Rhizoma Dioscoreae, Rhizoma Dioscoreae, Cornus Officinalis and Poria. The main effect of this formula is to nourish Yin and lower fire (nourish Yin essence and lower fire). This drug is indicated for hot flashes and night sweating (a bout of fever. Sweating is abnormal after going to sleep and stops after waking up), dry mouth and sore throat, tinnitus and spermatorrhea, and short and reddish urine (small amount of urine, dark yellow in color). The adverse reactions of this drug are not clear; it is contraindicated for those who are allergic to this product, and should be used with caution by those with allergies. It should not be taken by patients with cold and fever. People with high blood pressure, heart disease, liver disease, diabetes, kidney disease and other serious chronic diseases should take under the guidance of a physician. If the symptoms are not relieved after 4 weeks of taking the medicine, you should go to the hospital for consultation. Use the medicine under the guidance of a professional physician’s diagnosis.