After the rain, you can follow the doctor’s advice to cook some ginger, scallion white, brown sugar to drive away the cold and relieve the surface, to prevent colds. After the rain outside the wind-cold evil easy to invade the body, at this time, you can pick the life of a common ginger, scallion white, brown sugar decoction to drink. 1. Ginger: flavor pungent, slightly warm, with a pungent temperature relief, cold sweating effect, often used in the treatment of external wind-cold table evidence. It is not recommended for those who are suffering from Yin deficiency and internal heat. 2. white onion: its flavor is pungent, warm, has the effect of dispersing cold and relieving cold, Yang pain, mostly used for wind-cold cold, nasal congestion and headache of the mild symptoms. Table deficiency sweating should not be served. 3. Brown sugar: sweet taste, warm nature, has the effect of tonifying qi and blood, dispelling wind and cold, strengthening the spleen and warming the stomach, activating blood circulation and removing blood stasis. It should not be taken by people with phlegm-dampness. The adverse effects of the above drugs are not clear. It is recommended to change clothes in time after getting wet. If medication is needed, it should be taken under the guidance of a doctor to avoid delaying the condition.