The efficacy of Platycodon grandiflorum soup is to promote the lungs and relieve cough, expectorate phlegm and expel pus, and is mainly used in the treatment of lung carbuncle, wind-heat lung depression and other diseases. Platycodonopsis Tang is made up of two herbs, Platycodonopsis and Licorice, in which Platycodonopsis plays a role in promoting the lung, expelling phlegm, facilitating pharyngeal drainage and draining pus, while Licorice plays a role in clearing away heat and removing toxins, expelling phlegm, relieving cough, tonifying the spleen, easing the urgency and relieving pain (relieving the symptoms of pain in a more urgent situation), and harmonizing the various medicines (harmonizing the properties of different traditional Chinese medicines). Platycodonopsis Tang is used in the treatment of carbuncle, symptomatic cough and chest pain, vibration of cold, pulse number, dry throat without thirst, sometimes out of the cloudy saliva foul-smelling, long vomiting pus like rice gruel. The clinical application of Platycodonopsis Tang needs to be used after the doctor’s diagnosis and treatment according to the patient’s individual physique.