Lotus leaf infusion, after the blood heat, summer dampness of the crowd, can play a summer cooling blood benefits, but the active ingredients of the infusion to drink is limited, can not replace the therapeutic effect of drugs. Lotus leaf is bitter in taste and flat in nature, with the efficacy of clearing summer heat and dampness, elevating the sun, stopping bleeding and cooling the blood. In clinical practice, it can be used for the treatment of thirst caused by summer heat and diarrhea caused by summer dampness; blood in the stool, epistaxis, and disintegration (excessive menstrual flow or dribbling) caused by blood heat. In daily life, when brewed and drunk, it has the benefit of clearing summer heat and cooling blood for people with blood heat and summer dampness. It should be noted that people with weak qi and blood should not drink it. And drink tea, can not replace the role of drugs to treat the disease. If patients have symptoms related to blood heat and summer dampness, they should go to the hospital in time and choose the appropriate medication for treatment.