After the foot is cut, you need to go to the hospital for emergency surgery or hand and foot surgery to determine whether there is any muscle or nerve damage through professional examination. If there is muscle or nerve damage, the foot needs to be treated by exploratory surgery under local anesthesia. If muscle or soft tissue injury is excluded, superficial skin injury can be treated by disinfection with iodophor and hydrogen peroxide and external sterile gauze dressing. If muscle or nerve injury is identified, the wound needs to be explored after local anesthesia in the operating room to repair the damaged tissues and nerves, and negative pressure drainage is placed after surgery to promote complete drainage of contaminated material from the wound. At the same time, it is necessary to apply antibacterial drugs to prevent wound infection and to change the medication regularly every three days or so to observe the changes in the wound. If the wound is healing well, regular medication changes are sufficient, but if the wound is infected, timely incision and drainage are also required.