Benefiting the kidney and filling up the essence means the treatment chosen for the evidence of insufficient kidney essence and depletion of yin and fluid, mainly to replenish the deficiency of kidney essence. Kidney is the foundation of the innate nature, the main storage of essence, if there is a deficiency of kidney essence, can lead to lumbar and knee soreness (lumbar and knee soreness and weakness), limb weakness, early whitening of beard and hair, memory loss and other symptoms, Yi Kidney Filling Essence is mainly for the insufficiency of kidney essence to give supplementation, commonly used in Chinese patent medicines are Zuo Gui Pill and so on. It should be noted that pregnant women and children are prohibited, avoid greasy food, cold patients should not take Zuo Gui Wan. Although there is no clear adverse reaction to the above medicines, it is recommended to take the medicines under the guidance of a Chinese medicine practitioner, and not to take the medicines on your own, so as to avoid delaying the condition or having adverse reactions.