There is no specific prescribed course of treatment for drinking lotus heart in water, it is generally recommended that 1-2 weeks for a course of treatment. And Chinese medicine in water to drink the active ingredients are not sufficient, it is recommended to take decoction. Lotus heart belongs to astringent astringent medicine, family for the water lily plant lotus mature seeds in the middle of the green embryonic root. Lotus heart is also known as lotus heart. Lotus heart is bitter and cold in nature. Lotus heart enters the heart meridian, kidney meridian. Lotus heart has the effect of transporting the heart and kidney (heart fire goes down, kidney water goes up, and they control each other), clearing the heart and tranquilizing the mind (by removing the inner heat to stabilize the mind), astringing semen and stopping bleeding. It is used in the treatment of insomnia and spermatorrhea, heat entering the pericardium (heat evils invading the pericardium), heart-kidney disharmony (heart fire and kidney yin deficiency, dysfunction of the physiological functions of the heart and kidneys), delirium tremens (delirium with confused state of mind, babbling), and vomiting of blood due to heat in the blood. Adverse effects of Lotus heart are not known. Those who are allergic to lotus seed heart may cause allergic reactions such as pimples, measles, gastrointestinal tract may manifest as diarrhea, etc. It should be contraindicated. If necessary, please use under the guidance of a professional Chinese medicine practitioner.