Buckwheat pillow, a pillow filled with pure buckwheat shell, can clear the brain and improve eyesight, and has appropriate curative effect on insomnia, dreaminess, dizziness and tinnitus. According to < <; According to records, the use of bitter buckwheat shell pillow can improve eyesight, clear away heat and soothe the nerves, and promote sleep. Long-term use of bitter buckwheat pillow can promote and improve human microcirculation, and has obvious effects on dredging blood vessels, regulating blood pressure and blood lipid, preventing cardiovascular and cerebrovascular diseases, promoting sleep, clearing heat and purging fire, and preventing colds.