Which is more effective, Zuo Gui Wan or Zhi Bai Di Huang Wan?

The efficacy of Zuo Gui Wan and Zhi Bai Di Huang Wan are different, applicable to different groups of people, there is no such thing as a better effect, only symptomatic treatment can achieve good results.
Zhi Bai Di Huang Wan is composed of Radix Rehmanniae Praeparata, Cornu Cervi Pantotrichum, Cornu Cervi Pantotrichum, Rhizoma Coptidis, Poria, Ze Xie Di Di, Mudan Pi and other medicines, which has the effect of nourishing yin and lowering fire (nourishing the yin essence and lowering the fire), and it is used for hot flashes (feverishness), night sweating (abnormal sweating after falling asleep and stopping sweating after waking up), dry mouth and throat, tinnitus, and spermatorrhea. Caution should be exercised in cases of Qi deficiency with fever and solid heat, and colds.

The adverse effects of Zuo Gui Wan are not clear, and it is contraindicated for pregnant women and children.
Although both can treat kidney yin deficiency, but the specific effect is different, it is recommended to go to the Department of Traditional Chinese Medicine to identify and treat the symptoms, not self-medication.