There is no such thing as the best proprietary Chinese medicine for tonifying kidney deficiency. Kidney yin deficiency often leads to symptoms such as dizziness and tinnitus, lumbar and knee soreness (a feeling of soreness and weakness in the lumbar and knee regions), which can be treated with medicines such as Dajiying yin pill, Liuweidihuangwan, and Zhibai dihuangwan. 1. Great Yin Replenishing Pill: The main ingredients are Radix Rehmanniae Praeparata, Rhizoma Polygonati Odorati, Rhizoma Polygonati Odorati, etc. It has the function of lowering fire and nourishing yin for patients who have hot flashes (a burst of fever), night sweating (abnormal sweating after falling asleep, but sweating stops after waking up), or who suffer from yin deficiency and fire (deficiency of yin and essence in the body, with hyperactive deficiency and hyperactive yin and fire). However, it should be noted that during the medication period, avoid indigestible food; cold and fever patients should not be taken; allergic to this product is prohibited, allergic people should be cautious. Adverse reactions and contraindications are not clear. 2. Six-flavored Dihuang Pill: the main ingredients are ripened rhubarb, cornelian cherry, moutan skin, etc., with the effect of nourishing yin and tonifying the kidneys. It is used for dizziness and tinnitus, lumbar and knee soreness and weakness, spermatorrhea and night sweating. Avoid spicy food during the medication; should not be used with cold medicine; allergic to this product is prohibited, allergic people should be cautious. Adverse reactions and contraindications are not clear. 3. Zhi Bai Di Huang Wan: the main ingredients are ripened rhubarb, Cornus officinalis (system), yam, etc., for hot flashes and night sweats, tinnitus and spermatorrhea, yin deficiency and exuberance of the patient has a certain effect. Attention to avoid indigestible food during the medication; cold and fever patients should not take; allergic to the product is prohibited, allergic people with caution. Adverse reactions and contraindications are not clear. If symptoms of kidney yin deficiency occur, it is recommended to seek medical advice from a professional doctor to identify and treat the symptoms.