People with normal kidney function and manifestation of kidney yin deficiency can take Liu Wei Di Huang Wan. LIU WEI DI HUANG PILL has the effect of nourishing kidney yin and is mainly used for treating kidney yin deficiency, with clinical manifestations such as lumbar and knee soreness and weakness, dizziness, tinnitus, deafness, night sweating (sweating abnormally after falling asleep, but sweating stops after waking up), spermatorrhea, thirst, tidal fever, heat in the bones (a burst of heat and feeling that the heat is penetrating from inside the bones to the outside), heat in the heart of the hands and feet, dryness of the mouth and pharynx, shaking of the teeth, and pain in the heels. The use of Liufidihuang Pill is not necessarily related to the normalization of renal function because renal function is an auxiliary examination concept in Western medicine, not the same concept as kidney deficiency in Chinese medicine, and Liufidihuang Pill can be taken as long as there are symptoms related to kidney yin deficiency. Consult a Chinese medicine practitioner before taking. The adverse reactions and contraindications of this product are not clear. Avoid spicy food. It is not advisable to take cold and flu medicines while taking the medicine. It is contraindicated for those who are allergic to this product and should be used with caution for those with allergic constitution. If the patient has any discomfort, it is recommended to consult a doctor in time, under the guidance of a professional doctor for treatment, individuals should not take medication on their own, so as to avoid physical discomfort.