Both Liu Wei Di Huang Wan and Zhi Bai Di Huang Wan can nourish kidney yin, the difference being that Zhi Bai Di Huang Wan also serves to reduce fire. 1. Six-flavored Dihuang Pill, composed of Chinese yam, moutanpi, poria, zedoary, cornelian cherry, and ripe earth, its effect is to nourish yin and tonify the kidney. It is mainly used for the treatment of night sweating (abnormal sweating after going to sleep and stopping after waking up) seminal emission. It can also be used to treat bone vaporization and tidal fever (a burst of heat, feeling that the heat comes from the inside of the bones to the outside), lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee areas), kidney yin deficiency, dizziness and tinnitus. Avoid indigestible food while taking the medicine. 2. Zhi Bai Di Huang Wan is composed of Chinese yam, Poria, Ze Xie, Mudan Pi, Cornu Cervi Pantotrichum, Huang Bai and other medicines. Its effect is to reduce fire and nourish yin, mainly used for the treatment of hot flashes (a burst of heat), night sweating, yin deficiency (deficiency of yin and essence in the body, resulting in hyperactive fire), dry mouth and sore throat, and tinnitus and spermatorrhea. The contraindications and adverse reactions of Zhi Bai Di Huang Wan are not clear. It should be noted that if patients need to use Liu Wei Di Huang Wan and Zhi Bai Di Huang Wan, it is recommended to use them under the guidance of a doctor, do not self-medicate.