2, lotus seeds are flat, sweet and astringent, and enter the heart, spleen and kidney. Strengthening the spleen to stop diarrhea, tonifying the kidney, astringing and clearing, nourishing the heart and calming the nerves. Used for diarrhea due to spleen deficiency, nocturnal emission, palpitation and insomnia. Indications: sleepiness at night, insomnia, forgetfulness, polydipsia, lumbago, limp feet, deafness, nocturnal emission, stranguria, chronic dysentery, asthenic diarrhea, metrorrhagia and leukorrhagia, and stomach deficiency. Lotus seed core tastes bitter, but it has a significant cardiotonic effect, which can dilate peripheral blood vessels and lower blood pressure. Lotus plumule also has a good effect of dispelling heart fire, which can treat mouth, lips and tongue sores and help sleep.