There is no research information showing that drinking mulberry leaf water will hurt the kidneys. Mulberry leaf water is boiled by the Chinese herbal medicine mulberry leaves, “Chinese Pharmacopoeia” records: mulberry leaves are sweet and cold in nature, suitable for the lung and liver meridians, have the effect of evacuating wind-heat (evacuating externally sensed wind-heat evil), clearing the lungs and moistening the dryness (removing the heat of the Philip, nourishing the essence of the Yin), clearing the liver and brightening the eyes (clearing the fire of the liver to promote the restoration of eyesight), and is often used to improve the wind-heat cold, coughing with heat in the lungs, liver-yang vertigo and redness and faintness of the eyes and other illnesses. There is no information showing that drinking this potion can harm the kidneys. Mulberry leaves can be used in combination with other medicines, such as chrysanthemum, forsythia, peppermint and platycodon, to improve itching throat, fever and cough caused by wind-heat colds and warmth-heat against the lungs (heat evils invading the lungs). This medicine can also be combined with chrysanthemum, white peony, and schizandra to cure headache and dizziness, headache and lightness, irritability and anger caused by hyperactivity of liver yang (excessive liver yang, causing dizziness, dizziness, headache and other symptoms). Mulberry leaf water has medicinal value, should not be taken indiscriminately, if you need to use, must be through the doctor to identify the guidance.