After pulling out the dead skin on the foot but pus, mostly due to bacterial infection, need to follow the doctor’s instructions to be treated accordingly. 1. medication: if the patient pus area is small, local redness, swelling, pain symptoms are not obvious, you need to follow the doctor’s instructions to take cefuroxime, amoxicillin and other antibiotic treatment at the same time, but also need to carry out daily iodine disinfection of the wound, avoid the long-term use of the same band-aid, if the symptoms are not relieved, it is recommended to go to the hospital in time to see a doctor. 2. debridement: for patients with large abscess area, necrotic tissue, obvious pain and conservative treatment is ineffective, need to actively go to the regular hospital for debridement treatment, debridement to draw out the pus, try to remove the necrotic infected tissue, wrap with sterile gauze or dressings, and change the dressing regularly to promote wound healing. After the wound pus should go to the hospital, follow the doctor’s instructions for treatment.