Chinese patent medicines for treating kidney yin deficiency include Dajian Yin Pill and Liuwei Di Huang Pill. 1. Dahuiyin Pill: It can nourish yin and reduce fire (nourish yin essence and reduce fire). It can be used for yin deficiency and fire (deficiency of yin essence in the body, resulting in hyperactive fire), hot flashes (a burst of fever), night sweating (abnormal sweating after going to sleep and stopping sweating after waking up), coughing, tinnitus, and spermatorrhea. 2. Six-flavored Dihuang Pill: can nourish yin and tonify the kidney. It can be used for kidney yin deficiency, dizziness, tinnitus, lumbar and knee weakness (feeling of lumbar and knee weakness), bone vaporization and tidal fever (a burst of heat, feeling that the heat comes from inside the bone to the outside), night sweating and spermatorrhea. 3. Zuo Gui Wan: it can nourish kidney and tonify yin. It is used for the deficiency of true yin, lumbago and knee weakness, night sweating, fatigue (mental weakness) and dryness of mouth. It is not recommended for pregnant women and prohibited for children. 4. Hechi Dazao Pill: nourishes yin and clears heat (nourishes yin essence and removes heat), nourishes the kidney and benefits the lung. It is used for deficiency of lung and kidney, coughing due to fatigue, tidal fever, night sweating, spermatorrhea, and lumbar and knee weakness. The treatment of kidney yin deficiency Chinese patent medicine is more, it is best to consult a professional doctor, identify the evidence of medication, do not take medication without authorization, so as not to delay the condition.