Tartary buckwheat is different from flaxseed. According to relevant data, the difference between tartary buckwheat and flaxseed is: 1, and the efficacy is different: flaxseed, also known as hemp seed and flaxseed kernel, is a dry and mature seed of flax. Tartary buckwheat rice is suitable for tartary buckwheat, a rare medicinal and edible crop in nature. According to "Compendium of Materia Medica", bitter buckwheat is bitter in taste, calm and cold in nature, and can invigorate the stomach and qi, nourish the spirit, benefit the eyes and ears, and refine the five internal organs. 2. Different shapes: 1. Tartary buckwheat is a biennial herb with a height of 1.5m, erect stems and many branches. Its basal leaves are wide, obovate, 23-25 cm long and 18-20 cm wide. Its top is round, its bottom is wedge-shaped, and its edges have teeth of different sizes or double serrations. The upper leaves of the stem are wide and linear. Flaxseed, on the other hand, is oblate and ovoid, with thin edge, blunt end and sharp tip, inclined to one side, about 4 ~ 6 mm long, 2 ~ 3 mm wide and about 1.5 mm thick. Its surface is brown, smooth and shiny, and tiny pits can be seen under a magnifying glass. The hilum is located in the top depression, with a light brown ridge and a thin seed coat. Remove it.