The efficacy of lotus leaf is to clear summer heat and remove dampness, to promote the development of clear yang (conveying nutrients from digested food to the head and face, etc.), to cool blood and stop bleeding (cooling and moistening the blood to prevent bleeding), and the pharmacopoeia has not yet recorded the side effects of lotus leaf. Lotus leaf can be used in treating summer-heat and thirst, summer-dampness diarrhea (diarrhea caused by feeling summer-dampness in summer), spleen-deficiency diarrhea (diarrhea caused by a weak spleen), blood-heat epistaxis (vomiting of blood and nosebleeds due to blood-heat), and blood in the stool and leakage of blood (excessive menstruation or spotting of menstrual flow). Charcoal of Lotus Leaf collects astringency, resolves blood stasis and stops bleeding. It is used in bleeding disorder and postpartum hematemesis. The Pharmacopoeia has not recorded any side effects of Lotus Leaf. Note that lotus leaf cannot be taken if the weakness is caused by ascending and dispersing consumptions generally, and the patient appears to be weak in qi and blood, and needs to use lotus leaf with caution. It is recommended to take lotus leaf under the guidance of the doctor, not unauthorized treatment with lotus leaf. In addition, usually take lotus leaves in moderation, can not take too much lotus leaves, and spleen and stomach cold (spleen and stomach weakness and cold) people should avoid taking lotus leaves and poria, tung oil, etc., to prevent aggravation of the original symptoms.