White radish is a common vegetable, which can be eaten raw or cooked. Modern research believes that white radish contains mustard oil, amylase and crude fiber, which has the functions of promoting digestion, stimulating appetite, accelerating gastrointestinal peristalsis, relieving cough and resolving phlegm. Traditional Chinese medicine theory also believes that white radish is sweet and cool, and it enters the lung and stomach meridians. It is a good dietotherapy product and can treat or assist in the treatment of many diseases. Compendium of Materia Medica also calls white radish the top grade in the book, so it is common to take medicine for a cold.