Lotus heart is cold in nature, bitter in taste, long-term use of the fear of injury to yang, it is not recommended to drink every day, specific advice to consult a medical professional. Lotus heart is the dried young leaves and embryonic roots of the mature seeds of the lotus plant of the water lily family. Its effects are to clear the heart and calm the mind, to communicate with the heart and kidney (the fire of the heart descends, the water of the kidney rises, and each other’s control), and to astringe the essence and stop bleeding. It is mainly used in treating heart-kidney disharmony (heart-fire exuberance, kidney-yin deficiency, dysfunction of the physiological functions of the heart and kidneys), insomnia and spermatorrhea, blood-heat and vomiting of blood, heat into the pericardium (heat evils invading the pericardium), and delirium tremens (deliriousness and gibberish). The adverse reactions and contraindications of lotus seed heart are not clear. Lotus heart tea has a limited therapeutic effect, can not replace the therapeutic role of drugs, if you are not feeling well, it is recommended to consult a hospital in time, under the guidance of a professional physician, do not blindly use medication, so as not to delay the condition.