Soak licorice and platycodon grandiflorum in water, which is orange stem soup. Has the effects of clearing away heat and toxic materials, relieving sore throat and relieving swelling. It is a special prescription for treating throat diseases, mainly suitable for diseases characterized by sore throat and dry throat, such as acute and chronic pharyngitis, suppurative tonsillitis, pharyngolaryngitis, acute epiglottitis, aphonia and bronchitis. In practical application, Pinellia ternata and Ramulus Cinnamomi can be added for hoarseness and aphonia without sore throat. If the symptoms of sore throat are obvious, Fructus Gardeniae and Fructus Forsythiae can be added; If it is a patient with emaciated yin deficiency, Radix Scrophulariae and Radix Ophiopogonis can be added. However, due to the sexual taste of Platycodon grandiflorum, if there are symptoms such as hiccup, vomiting, dizziness, choking cough, etc., it is not suitable to take it.