2. "Materia Medica": Alpinia officinarum, a medicine for dispelling cold and dampness and warming the spleen and stomach. For example, for elderly people with spleen deficiency and cold, diarrhea and self-interest, women with sudden pain in the heart and stomach, and anger and cold phlegm, this medicine is pungent and pure yang, and it is used with Gui and Fu in addition to all cold properties. Do not use lightly unless the guest is cold, the stomach is cold and vomiting, and the cold diet is injured, which leads to cholera vomiting and diarrhea.