Tartary buckwheat is a rare medicinal and edible crop in nature. "Compendium of Materia Medica" records: Tartary buckwheat is bitter in taste, flat and cold in nature, and can strengthen the stomach, replenish qi, nourish the mind, benefit the eyes and ears and refine the five internal organs; In "? Buckwheat is recorded in Advance Fang Yao, Dictionary of Traditional Chinese Medicine and related documents: Is it OK? Tranquilizing mind, promoting blood circulation, lowering qi, moistening intestine, clearing away heat, relieving swelling and pain, resolving hard mass, clearing intestine, moistening intestine, relaxing bowels, relieving cough, relieving asthma, resisting inflammation, resisting allergy, strengthening heart, reducing weight and caring skin.