The efficacy and function of Platycodon grandiflorus infusion include diaphoretic, detoxification, moistening the lungs, etc., but the active ingredients of the infusion are limited and generally do not reach the therapeutic effect. Platycodon grandiflorus has the effect of inducing diaphoresis, expelling pus, expelling phlegm, and promoting the lungs, and can treat sore throat, carbuncle (lung abscess), dysentery and abdominal pain, coughing and phlegm, chest fullness (swelling and discomfort of the chest), dystocia (pain in the area of the coxa and ribs), and other conditions. Adverse reactions are not clear, yin deficiency and long coughing, gas reversal and coughing up blood should not be taken. Licorice, on the other hand, has the effects of detoxification, moistening the lungs and harmonizing the middle, which can treat weakness of the spleen and stomach, tiredness, palpitations, shortness of breath, cough and phlegm, and alleviate the toxicity and potency of the drug. Adverse reactions are not clear, should not be used with jingdaji, coriander, glycyrrhiza glabra, solid evidence of fullness and abdominal distension should not be taken. Patients who are not feeling well are advised to consult a doctor in time, should not self-medicate, it is recommended that patients can drink Platycodonopsis licorice tea under the guidance of a doctor to avoid delays in the condition.