Are you sure it's a pearl of millet, not a pearl of millet? In traditional Chinese medicine, only wheat grains are inflorescences with flower stems of hedgehogs. Efficacy: Dispelling wind and dissipating heat, improving eyesight and removing nebula. Main treatments: blindness, sparrow blindness, headache, toothache, laryngitis and nosebleed. Sexual orientation: Xin Gan, what do you mean by Gu Pearl?