The most common causes of fever in the wound after surgery for ankle bone fracture are inhalation fever and infection, if the symptoms persist, it is recommended to seek medical treatment in time. 1. Inhalation fever: hematoma will appear in the fracture site after the fracture, when the hematoma is absorbed by the body tissues, it will be hot in the local area, and some patients will also cause an increase in body temperature, which usually occurs 3-5 days after the operation, usually no special treatment is needed, and ice packs can be applied to reduce the local temperature. 2. Infection: if the patient in the ankle bone fracture, there is a wound infection, will form a local inflammatory reaction, the wound appears red, swelling, fever, pain and other manifestations, the need for timely anti-infection treatment by the doctor. Ankle bone fracture surgery wound fever is recommended to explain the situation to the doctor in a timely manner, by the specialist to judge, usually pay attention to the wound clean, avoid infection.