Wolfberry Poria black tea is not harmful to the kidneys. 1. Wolfberry has the effect of nourishing the liver and kidney, benefiting the essence and brightening the eyes (tonifying the essence and promoting the recovery of eyesight), and is clinically used for treating the evidence of yin deficiency of the liver and kidney (insufficient yin fluid in the liver and kidney). Caution should be exercised in cases of loose stools (thin and unformed feces) due to spleen deficiency. 2. Poria has the efficacy of inducing diuresis and seepage of dampness (promoting the flow of water to dispel dampness), strengthening the spleen and tranquilizing the heart, and is clinically used in the treatment of palpitation (accelerated heartbeat, often accompanied by panic), edema, and diarrhea due to deficiency of spleen (diarrhea caused by weak spleen function). Yin deficiency without dampness and heat, cold and slippery essence, qi deficiency and subsidence should be taken with caution. 3. Black tea is a tea drink, containing carotene, vitamins, phosphorus, magnesium, potassium, caffeine and other nutrients, moderate drinking can provide the body with some nutrients, has a certain nutritional value. Allergic to black tea, poor sleepers are prohibited from drinking black tea. Wolfberry Poria black tea is not harmful to the kidneys, but note that the active ingredients of Chinese medicine tea drink precipitation is limited, can not replace the drug treatment of disease, if there is discomfort, it is recommended that the hospital, under the guidance of a doctor to standardize the treatment, do not take medication without authorization, but also do not blindly use traditional Chinese medicine instead of tea, in order to avoid misunderstanding the condition.