Bamboo leaf tea has not been found to have side effects in authoritative sources. Bamboo leaves have the effect of clearing heat and removing vexation, diuretic and promoting the production of fluids, and making tea has a similar effect, but it can not replace the medication to treat the disease. Bamboo leaves taste sweet, light, cold. It belongs to the heart meridian of the lesser yin of the hand, the stomach meridian of the yangming of the foot, and the small intestine meridian of the sun of the hand. It is effective in clearing heat and removing vexation, diuretic and promoting the production of fluids. Bamboo leaf is often used in treating symptoms such as vexation-heat (irritability and sultriness), thirst, heart and chest tightness, rebelliousness and vomiting, sores on the mouth and tongue, fever and dryness of the pharynx. It should not be used by people with bone vaporization and tidal fever (a burst of heat, feeling that the heat comes from the inside of the bone to the outside), or people with yin deficiency and fire (deficiency of yin essence in the body, with the appearance of hyperactive deficiency and fire), and the adverse effects have not yet been clarified. Tea drink can play a limited medicinal effect, can not replace the drug treatment of disease. When discomfort occurs, you should consult a doctor and choose medication under the doctor’s guidance, not self-medication.