Jiang Sha soup is bitter. According to relevant public information, Alpinia officinarum is a ginger plant with bitter taste and cool nature, which has the function of clearing away heat and toxic materials. Ginger can dispel cold and dampness, has a good effect of dredging channels and promoting blood circulation, and can help treat fever, cough and other symptoms caused by exogenous cold and dampness. Ginger can also promote the secretion of gastric juice and digestive juice.