In the stage of carbuncle formation, the pathology of carbuncle formation is due to heat congestion and blood stasis, and the main pathological factors are phlegm, heat and blood stasis. In the stage of carbuncle, evil heat congests the lungs, refining fluid into phlegm, heat injures the blood, heat congests the blood and blood stasis, which leads to the formation of carbuncle and phlegm, heat, stasis and poison in the lungs. In the stage of carbuncle, the fever becomes more and more obvious, sometimes with chills, followed by high fever that does not subside, sweating, restlessness, coughing and shortness of breath, chest fullness (chest distension and discomfort) and pain, difficulty in turning over, coughing and spitting up turbid phlegm, phlegm is yellowish-green with foul smell, and the mouth is dry and pharynx is parched, etc. In this stage, the patient can be treated with Jia Wei Platycodonopsis. This phase can be treated with Jiawei Platycodonopsis Tang. Patients are advised to take treatment under the guidance of a doctor.