Medicines for tonifying the kidneys include eucommia bark, echinacea, chasteberry and dodder seed. Cortex Eucommiae has the effects of tonifying the liver and kidney, strengthening muscles and bones, and tranquilizing the fetus; Radix Eucommiae has the effects of tonifying the liver and kidney, strengthening muscles and bones, and renewing broken bones; Chasteberry has the effects of nourishing the liver and kidney, brightening the eyes and darkening the hair; Cuscuta chinensis has the effects of nourishing the liver and kidney, fixing the essence and shrinking the urine (consolidating the semen and urine and preventing the leakage of the essence and urine at will), and tranquilizing the fetus. 1. Cuscuta is used for deficiency of liver and kidney (weakness of liver and kidney), lumbar and knee pain, weakness of muscles and bones, dizziness, leakage of blood in pregnancy, restlessness of the fetus, high blood pressure, and so on. Stir-frying it destroys its gelatinous substance and facilitates the decoction of the active ingredients. 2. Sequence is used for the deficiency of liver and kidney, lumbar and knee soreness, rheumatism and paralysis, bruises, fractures, leakage of blood, fetal leakage (small amount of vaginal bleeding in the early stage of pregnancy), and so on. 3. Chasteberry is used in treating yin deficiency of the liver and kidneys (deficiency of yin in the liver and kidneys), dizziness and tinnitus, soreness and weakness of the waist and knees, premature whitening of the beard and hair, darkness and uncertainty of the eyes, internal heat and thirst (internal fever accompanied by symptoms such as excessive eating, drinking and urinating), and tidal fever of the bones (a burst of heat and the feeling that the heat is penetrating from the inside of the bones to the outside). 4. Cuscuta chinensis is used for deficiency of liver and kidney, soreness and weakness of waist and knees, impotence and spermatorrhea, urination and frequent urination, kidney deficiency and fetal leakage, restlessness of the fetus, dizziness of the eyes and ringing in the ears, deficiency and diarrhea of the spleen and kidney. The use of medication should only be carried out after identification by a traditional Chinese medicine practitioner, and individuals should not use medication on their own.