Whether to take Zuo Gui Wan or Zhi Bai Di Huang Wan for kidney yin deficiency is related to the patient’s own symptomatic manifestations and cannot be generalized. For those with kidney yin deficiency without heat, Zuo Gui Wan is more suitable; while for those with kidney yin deficiency and internal heat, Zhi Bai Di Huang Wan is more suitable. 1. Zuo Gui Wan: Containing Radix Rehmanniae Praeparata, Radix Achyranthis Bidentatae, Radix et Rhizoma Gastrodiae, Radix et Rhizoma Antleriae, Cornus Cornu Cervi, Fructus Lycii, Semen Cuscutae, and other traditional Chinese medicines, it has the effect of nourishing the kidney to replenish the kidney and replenish the yin. It can be used for the treatments of renal yin insufficiency, soreness of the waist and weak knees, fatigue of the mind, dryness of the mouth and night sweating, but it is avoided in pregnant women and children. Adverse reactions are not clear. 2. Zhi Bai Di Huang Wan: contains Zhi Mu, Huang Bai, Shu Di, Cornu Cervi and other traditional Chinese medicines, with the effect of nourishing yin and lowering fire (nourishing yin essence and lowering fire), can be used for the treatment of yin deficiency and fire (deficiency of yin essence and the emergence of hyperactive deficiency fire), dry mouth and sore throat, hot flashes (a burst of fever), night sweating, tinnitus and spermatorrhea, and urination and defecation (urine is small in quantity and dark yellow in color). Note Zhibai Di Huang Wan should be used with caution in pregnant women and hypertensive patients. Contraindications and adverse reactions are not clear. If you have kidney yin deficiency symptoms, it is recommended to consult a doctor in a timely manner, according to their own specific symptoms in the physician’s diagnosis under the guidance of the use of medication, not blindly self-medication.