Children’s fracture cast does not cause generalized fever, but may lead to local fever. Children often need to be localized after the fracture cast immobilization, cast immobilization does not lead to fever, if the child has a fever, may be due to the fracture of the inflammatory infection, if the temperature exceeds 38.5 ℃ often need to take non-steroidal anti-inflammatory drugs, such as ibuprofen, acetaminophen, etc., to help promote the fever and relieve pain. If the child fracture after just fracture, the local fever phenomenon is normal, mainly because the cast itself in the absorption of water will produce a certain amount of heat, due to the plaster fixation will be the skin bandage in a closed environment, resulting in local fever. If a child’s fracture cast causes fever, he or she should go to the hospital in time to find out the cause.