Lotus seed belongs to the same source of medicine and food, generally uncooked lotus seed is edible. Lotus seed is the main treatment for spleen deficiency, diarrhea, loss of appetite, kidney qi deficiency, jingguan not solid (kidney deficiency, the kidney can not hide the essence) of spermatorrhea and spermatorrhea, or heart and kidneys do not communicate (the heart fire, kidney yin deficiency, the physiological dysfunction of the heart and kidneys) of the urine turbid (urine turbidity such as white slurry), dreaming of spermatorrhea, spleen deficiency, the water and dampness of the bandwagon, and other evidence. Lotus seed is forbidden to be taken by those who have fullness and distension, and those who have dryness and knotting of stools. Lotus seed and antihypertensive drugs, anti-arrhythmic drugs should pay attention to the dosage should not be too large. If there is any discomfort after eating uncooked lotus seed, it is recommended to stop using it and seek medical treatment promptly.