Onion root ginger water, also known as onion white ginger water, the effect is to promote Yang Xuanjiao, detoxification and insecticide, can treat certain diseases, such as through the onion root ginger water treatment of respiratory diseases, such as wind-cold cold caused by cold, sore throat, head and body discomfort, numbness of the limbs, as well as fever, as well as bruises, trauma can be through the onion root ginger water to assist in the treatment. The combination of the two has a very good yang qi, dispel yin and cold, as well as the role of Yang qi, so the external cold evil of the joints of unfavorable movement, joint pain in the treatment is very significant. Onion root and ginger water can also be used to treat dysentery and other digestive tract symptoms, need to be under the guidance of a doctor to apply reasonable.