The efficacy and function of lotus leaf is to clear summer heat and dampness, promote Qing Yang, cool blood and stop bleeding. It is often used in the treatment of summerheat and thirst, summer-dampness and diarrhea, diarrhea in spleen deficiency, epistaxis and leakage of blood. It is contraindicated for people with qi deficiency. Lotus leaf is the dried leaf of Lotus japonicus, with brittle texture, easy to break, and slightly clear aroma. It is bitter in taste and flat in nature, and belongs to liver, spleen and stomach meridians. It has the effects of clearing summer heat and removing dampness, elevating the clear yang (transporting nutrients from digested food to the head and face and other parts of the body), and cooling and stopping bleeding (cooling and moistening the blood to prevent bleeding). It is used in treating summer-heat and thirst, summer-dampness diarrhea (diarrhea caused by feeling summer-dampness in summer), spleen-deficiency diarrhea (diarrhea caused by weakness of the spleen), blood-heat epistaxis (vomiting of blood and nosebleed due to blood-heat), and blood-bleed in the stool and leakage of blood (excessive menstruation or spotting of menstrual flow). Charcoal of Lotus Leaf has the efficacy of astringency, eliminating blood stasis and stopping bleeding, and is used in treating bleeding disorder and postpartum hematemesis. People with Qi deficiency should be cautious in taking this medicine, and the adverse effects are not known. This product is a traditional Chinese medicine and should be applied under the guidance of a professional Chinese medicine practitioner for identification of signs and symptoms, and should not be used on its own to avoid risks.