Baby foot injury pus can be improved by local irrigation, clean up necrotic tissue, incision and drainage. 1. local irrigation: if the wound is pus, but the symptoms are relatively mild, then you can take oral metronidazole or penicillin under the guidance of the doctor, and then use saline to clean the wound. The pus will be washed out, and then use iodophor to apply locally. 2. Clean up the necrotic tissue: If the pus is more serious, the necrotic tissue near the wound needs to be completely removed, so as to avoid further infection. After clearing the necrotic tissue, the wound should be cleaned with saline. 3. incision and drainage: if the pus can be touched at the water wave-like vibration, that pus is very serious, ordinary methods are difficult to improve the symptoms, the need for timely medical treatment of incision and drainage, the pus inside the wound in a timely manner out, and then transferred to the disinfection process. The baby foot injury produced pus, because highly attention, and timely to the local hospital for relevant examination, early detection of the problem as soon as possible treatment.