BCG vaccination pus after broken can be rubbed iodophor, but generally only used for pus around the mouth of the skin disinfection. After BCG vaccination, the local area of vaccination may appear hard nodules, redness, swelling, broken pus, etc., belonging to the adverse reactions after vaccination, for the treatment of pus, the usual clinical choice of debridement method, that is, hydrogen peroxide rinsing, followed by saline rinsing, and finally local disinfection with iodine povidone. If the abscess is large, if necessary, you can choose petroleum jelly gauze drainage, and then assisted by povidone-iodine disinfection. After BCG vaccination, close observation of the local area is required. If symptoms such as abscess breakout occur, it is recommended to consult a doctor in a timely manner, and targeted treatment under the doctor’s guidance.