Fever after fracture may be caused by two conditions: 1, the absorption of heat in the body after fracture, the body’s emergency response leads to abnormalities in the thermoregulatory system and hypothermia, usually the body temperature does not exceed 38 ℃, which can be gradually relieved by local rest and drinking more water. If the fever is relatively high or accompanied by headache and general discomfort, oral ibuprofen or acetaminophen can be taken to reduce heat treatment and also have a pain-relieving effect.2. After a fracture, especially an open fracture with bacterial infection in the local wound, the body must be treated with anti-infection and antibiotics, in addition to local wound infection, attention should be paid to debridement, drainage of pus, regular disinfection and In addition, the local wound infection should be treated by disinfection, pus drainage, regular disinfection and medication change.