The difference between Kidney-Yin deficiency and Kidney-Qi deficiency is the difference in symptoms, treatment and medication. 1. Symptoms: Kidney Yin deficiency is mainly manifested as soreness and weakness of the waist and knees, tinnitus and dizziness, insomnia, hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, and the sweating stops after waking up), heat in the hands and feet, irritability, dryness of the throat and mouth, spermatorrhea in men, menstrual disorders in women, etc. Kidney Qi deficiency is mainly manifested as mental tiredness, soreness and weakness of the waist and knees, frequent urination, physical weakness, scanty leucorrhea, and the use of medicines. Kidney qi deficiency mainly manifests as mental fatigue, lumbar and knee soreness and weakness, frequent urination, body fatigue, and thinning of leukorrhea. 2. Different treatments and medications: Kidney yin deficiency requires nourishment of kidney yin and can be treated with Chinese medicines such as Liu Wei Di Huang Pill, Da Zu Yin Pill and Zuo Gui Pill, but should not be used by patients with colds and fever. Kidney qi deficiency needs to nourish the kidneys and benefit the qi, you can use Jin Gui Kidney qi Pills, Dai Zai Yuan Decoction, Solid Yin Decoction and other traditional Chinese medicines, but note that patients with internal solid heat should not be used. Kidney yin deficiency and kidney qi deficiency should be differentiated under the guidance of a professional Chinese medicine practitioner, and should not be differentiated blindly as well as using medicines.