Radish is a cruciferous plant, which is one of the oldest cultivated crops in the world. Radish were an important food in Egypt as far back as 4,500 years ago. At present, it is distributed all over China. Radish root can be eaten as a vegetable.The seeds, fresh roots, dried roots and leaves are used as medicine. Fresh roots for digestion, dried roots for diarrhea, leaves for the treatment of crude dysentery and to prevent dysentery. Seed oil can be used for industrial use and food. Besides, seeds are used as medicine called semen raphani, which can eliminate phlegm.