Nourishing kidney yin can be appropriate application of some medicinal food, such as Chinese wolfberry, mulberry infusion, but infusion may not be able to fully precipitate the active ingredients of the drug, so as not to give full play to the role of the drug, so it is recommended that the patient in the guidance of the doctor to correctly use the drug. 1. Lycium barbarum: nourishes the liver and kidneys, benefits the essence and brightens the eyes (replenishes the essence and promotes the recovery of eyesight). It is used for deficiency, soreness of waist and knees, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal heat accompanied by eating, drinking and urinating), blood deficiency and yellowing, and dimming of the eyes. 2. Mulberry: It has the effect of nourishing yin and tonifying blood (nourishing blood in the body), generating fluids and moisturizing dryness. It is used for liver and kidney yin deficiency (deficiency of yin in the liver and kidneys), dizziness and tinnitus, palpitation (rapid heartbeat, often accompanied by panic), insomnia, premature whitening of the beard and hair, thirst due to loss of fluids, thirst due to internal heat, and constipation due to dryness of the intestines. Patients are advised to seek timely medical treatment.