The reason why the white radish can have some relief and treatment of the symptoms of cough, mainly for the following reasons: 1, the white radish is a kind of cool food, can be used as a traditional Chinese medicine, has a clear heat, phlegm, smooth qi swelling, asthma efficacy. 2, the white radish is very rich in high concentration of vitamin C, but also contains a large amount of water, can promote the airway inflammation of the abatement of the pharyngeal, nourishing pharynx to reduce the mucous membranes of the airways Capillary permeability, reduce the degree of airway mucosal edema. 3, can moisten the airway to dilute the secretions in the airway to facilitate the discharge of phlegm, so these effects of the white radish can reduce the symptoms of cough.