Lotus heart is the Chinese medicine lotus heart, lotus heart has the effect of clearing the heart and tranquilizing the mind (by removing the inner heat to stabilize the mind), traffic heart and kidney (heart fire down, kidney water up, mutual control), etc. It can be used for the treatment of heat into the pericardium (heat evils invade the pericardium), delirium tremens (delirium, gibberish), and so on, and the contraindications are not yet clear. Lotus heart is the embryonic root and young leaves in the mature seeds of lotus in the water lily family. Lotus heart is bitter in taste and cold in nature, and belongs to the heart meridian and kidney meridian. It has the efficacy of clearing the heart and tranquilizing the mind, transporting the heart and kidney, astringing essence and stopping bleeding. Lotus seed heart can be used to treat heat entering the pericardium, delirium, heart-kidney disharmony (heart fire, kidney yin deficiency, dysfunction of the physiological functions of the heart and kidneys), insomnia with spermatorrhea, and hematemesis and vomiting of blood with blood heat. The adverse reactions and contraindications of Lian Zi Xin are not clear. If you feel unwell, you should go to the hospital as soon as possible, and the use of Chinese herbs such as lotus seed heart should be guided by a professional physician.