Boiling hay and dried ginger soup can add green onions. According to relevant public information, boiling scallions with dried ginger in water generally has the effects of dispelling wind and relieving symptoms, warming yang and dispersing cold, harmonizing the stomach and relieving vomiting. Ginger has the effects of warming and clearing the meridians and dispersing external evils. Scallion white has the effect of resuscitating one's ideas. When used together, it can be used to treat headaches caused by colds and colds.