If it belongs to pharyngitis caused by deficiency fire, staying up late and yin deficiency constitution, the effect is good. Among them, raw licorice is used for licorice, and Scrophularia is bitter and cold, and rock sugar can be added less. If toothache, bleeding and dry throat are caused by stomach fire, Polygonatum odoratum or Dendrobium candidum can be added, and the effect is also good. If it is inflammation caused by damp heat, this prescription should be used with caution, or the amount of Ophiopogon japonicus should be small. Ophiopogon japonicus is sweet in taste and cold in nature. Although it can reduce fire, it is also easy to get wet.