Commonly used proprietary Chinese medicines for treating kidney yin deficiency include Zuo Gui Wan, Liu Wei Di Huang Wan, and Da Tonic Yin Wan, etc. They should be used under the guidance of a professional Chinese medicine practitioner. Kidney yin deficiency is a symptom of insufficient yin in the kidneys, which is mainly manifested as five heart-heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), hot flashes, night sweating (abnormal sweating after falling asleep, but sweating stops after waking up), dizziness, tinnitus, insomnia, and soreness of the waist and knees. 1. Zuo Gui Wan: The main ingredients include ripened rhubarb, turtle shell glue, deer horn glue, Chinese yam, wolfberry, etc. It has the effect of nourishing yin and tonifying the kidney, and can be used to alleviate symptoms of lumbar soreness and knee weakness, night sweating, etc. caused by kidney yin deficiency. Adverse effects are not clear, pregnant women and children should not use. 2. Six-flavored Dihuang Pill: It is composed of yam, poria, zedoary, ripened dihuang, cornelian cherry, mudanpi, and its function is to nourish kidney yin, which is mainly used for the treatment of kidney yin deficiency, dizziness, tinnitus, night sweating, spermatorrhea, and soreness of the waist and knees. 3. Great Yin Tonic Pill: Its ingredients include ripened dihuang, salt motherwort, salt cypress, pig spinal cord, vinegar tortoise shell, with the effect of nourishing yin and lowering the fire, the main treatment for yin deficiency and fire, hot flashes and night sweating, coughing, tinnitus and spermatorrhea. Adverse reactions and contraindications are not clear. It is recommended that patients with kidney yin deficiency should strictly follow the doctor’s instructions for medication when discomfort occurs, and should not blindly use it on their own.