The presence of pus after bleeding after leg fracture surgery to remove stitches indicates that there is a wire knot reaction at the site, or it triggers a deep infection, deep wire knot reaction, etc., which can be treated with debridement and dressing, antimicrobial medication, and surgical treatment. Discharge after suture removal may be due to the reaction of wire knot at the wound. After suture removal, the wound can be changed every day to observe the wound condition. If the symptoms improve, the wound can continue to be observed; if the symptoms do not improve, the possibility of osteomyelitis or deep infection or deep kink reaction needs to be excluded. It is necessary to carry out debridement and other treatments. 1. Wound debridement and dressing change: firstly, debride the infected area, clean up the lesion, and carry out aseptic operation and dressing change. Wait for new granulation tissue to grow. 2. Antibacterial drug treatment: cleaning the wound and changing the medicine at the same time can be combined with cephradine and other antibacterial drug treatment. 3. Surgery: For patients with serious local infection, such as fluctuating abscesses, we can puncture and extract the pus, or perform incision and drainage. If the above symptoms occur, it is recommended to go to the hospital in time for early and regular treatment. All the above medications should be used under the guidance of a doctor or pharmacist, avoid self-medication.