Ground beet is also known as "shepherd's purse", is a kind of green, green, white roots, blooming stars of small white flowers of the wild plants. It is said to be an elixir. Folk not only have "spring March 3, chestnut as elixir" proverb, but also circulated "spring food chestnut Sai Xiantan" said. In traditional Chinese medicine, the medicinal value of the ground vegetable is very wide, known as "vegetable licorice". For this reason, I also deliberately searched about the medical value of chestnut, the motherland medicine think: chestnut taste sweet, sex cool, return to the liver, spleen, kidney meridian, have and spleen, diuretic, stop bleeding, eyesight and so on utility. So in order to remove the fire, rheumatism and treatment of lumbar and leg pain, Hunan people every year on the third of March this day, every family will cook vegetables eggs, and the number of eggs must also be an odd number, because the Hunan language that the prescription is also known as "single", so the number of eggs to be put in an odd number.