2. First of all, Folium Artemisiae Argyi can dispel cold and remove dampness and dredge meridians. Because modern people are generally cold and wet, Artemisia argyi has become an indispensable helper for treating diseases. Soaking feet with ginger can quickly dispel cold and dampness, deficiency fire and cold fire, and can treat recurrent head and face diseases related to deficiency fire and cold fire, such as oral ulcer, sore throat, periodontitis, gingivitis and otitis media.