Large pus bags are considered to be boils or carbuncles, which can be treated by surgery, medication and so on. 1. Surgical treatment: Physical treatment measures such as ultra-short-wave infrared can be taken in the red and swollen stage. If there are pus spots or fluctuating sensation, it is considered that there is abscess formation in the interior, so it is possible to cut open the pustule through invasive surgery, remove as much pus as possible and then put in drainage strips or gauze, and change the medication on a regular basis. 2. medication: early symptoms can be used externally Jin Huang San, ichthyolipid ointment and other heat detoxification (clearing the body of heat and toxicity) of proprietary Chinese medicines for treatment, which can promote the subsidence of infection or abscess formation; can also be coated with erythromycin ointment, mupirocin ointment and other antibiotic drugs for treatment; you can also take amoxicillin, cefuroxime, and other antibiotics to fight infection treatment. Large abscesses need timely medical attention, drugs should be used under the guidance of a professional doctor.