After pus appears in the wound after stoma retrieval surgery, it is necessary to clean and debride the pus site, drain the wound, and use antibiotic drugs to fight infection. 1. Cleansing: If there is localized pus in the surgical wound after stoma retrieval, it should be cleansed and treated in the hospital in time. Inflammatory cells, purulent secretions, necrotic or infected tissues can be effectively removed by incising the purulent part and discharging the pus, disinfecting the wound with disinfectant such as iodophor, and finally using iodophor oil gauze for local tamponade to drain purulent secretions, and daily dressing change can promote healing. 2. Antibiotic drugs: pus in the stoma retraction site, most need anti-infection treatment. You can choose to take amoxicillin, cefaclor and other antibiotics under the guidance of the doctor, if the infection is serious, fever, pain and other symptoms, can be considered to be intravenous ceftriaxone sodium, levofloxacin and other antibiotic treatment. After the stoma back to the stoma pus, should immediately carry out debridement, change the medicine treatment, and follow the doctor’s instructions to be anti-infection treatment.