Pus on the prepuce tie after circumcision may be caused by postoperative unclean hygiene, poor resistance and other diet-induced infections, which need to go to the hospital in time, mainly through local disinfection, the use of medication, and strengthen the nursing care and other treatment. 1. Local disinfection: the foreskin tie with pus, first of all should be local cleaning of the affected area, remove the necrotic tissue, and then use iodine povidone to disinfect, and apply cream and other preparations for treatment. If the local oozing erosion can be used saline or 3% boric acid solution cold wet compress. 2. Medication: If the infection is more serious, fever, pain and other systemic symptoms, oral antibiotic drugs can be prescribed for systemic treatment, commonly used drugs are cefixime, levofloxacin and so on. 3. Enhance care: in daily life, you need to keep the reproductive organs clean and dry, avoid stimulation. By drinking more water and urinating more, it is conducive to promoting the removal of inflammation in the urinary system, as well as the need for a light diet and strengthening exercise in order to improve the overall immune function. If there is pus on the prepuce tie after circumcision, the patient should go to the urology department of the hospital in time and actively cooperate with the doctor’s treatment.