The most common ones used in the clinic are Liu Wei Di Huang Wan, Zhi Bai Di Huang Wan and Qi Ju Di Huang Wan. All three have the effect of nourishing the yin, the difference is that six flavors of dihuang pill favor nourishing kidney yin, Zhi Bo Di Huang Wan favor nourishing yin and lowering fire, Qi Ju Di Huang Wan favor nourishing the liver and kidney. 1. Six-flavored Dihuang Pill: This medicine has the effect of nourishing yin and tonifying the kidneys, and can be used in the treatment of kidney yin deficiency, dizziness and tinnitus, lumbar and knee soreness and weakness, bone vapor and tidal fever (a burst of heat, feeling that the heat is coming from the inside of the bone to the outside), night sweating (sweating abnormally after going to sleep, and waking up to stop sweating), and spermatorrhea and other illnesses. It should be noted that it is not advisable to take cold and flu medicines while taking the medicine. 2. Zhi Bai Di Huang Wan: This medicine has the effect of nourishing yin and lowering fire, and can be used for the treatment of yin deficiency and fire, hot flashes and night sweating, dry mouth and sore throat, tinnitus and spermatorrhea, and short and red urination (small amount of urination, dark yellow color). In the use of should pay attention to the cold syndrome is not applicable to patients, its performance is afraid of cold, cold hands and feet, like hot drinks. 3. Qi Ju Di Huang Wan: this medicine has the effect of nourishing the kidney and liver, and can be used for the treatment of dizziness, tinnitus, astigmatism and photophobia of the liver and kidney yin deficiency, and blurred vision. When using this medicine, it should be noted that indigestible food should be avoided during the period of taking the medicine. If you need to use the above medicines, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician.