Buckwheat skin, as its name implies, is the outer skin of buckwheat. ? Buckwheat is native to north-central Asia, and China is one of its origins.

There are 15 species of buckwheat in the world, and 1 1 species in Yunnan. The stems are erect, branched and soft. Leaves halberd-shaped, alternate. Racemes or panicles. Perianth deeply divided, lobes oblong, white or reddish. The seeds are triangular achenes, black, brown or gray.

Buckwheat husk is often used to fill the center of pillows. Buckwheat skin pillow is moderate in hardness, warm in winter and cool in summer, especially when placed on it, it will not "stiff neck".

Shaanxi, Inner Mongolia and Sichuan are the main producing areas of buckwheat hulls in China, especially the buckwheat hulls in Inner Mongolia are the most famous, and they are exported to Japan, South Korea and other places in large quantities, because Japan and South Korea have close cultural relations with China. Buckwheat husk has been used as a pillow in China. Buckwheat skin as a pillow has many advantages, so it is very popular with the masses.