The symptoms of acute osteomyelitis are mainly divided into two situations, systemic symptoms and local symptoms; 1. Systemic symptoms are mainly quicker onset, more urgent, with a prelude, such as the patient’s cold, fever or pneumonia, etc., and untimely treatment. If caused by osteomyelitis mainly loss of appetite, high fever, serious will cause sepsis, the patient appears coma and other situations; 2, local symptoms are mainly redness, swelling, pain in the limbs, mainly pressure pain, the patient dare not move, this situation should be treated and diagnosed early to prevent the occurrence of complications. Common complications include systemic complications, such as the patient is in a coma, which causes bacteremia; the second complication is mainly bone destruction, which can cause more serious sequelae such as pathological fractures. The symptoms can be mild or severe depending on the patient’s age and genetics, for example, in infants and adolescents, the main symptom is fever, if it is an adult, the fever may not exceed 40℃, or it may be 38℃ or 39℃, but the main symptom is pain. The patient’s age and constitution are different, so the symptoms will vary somewhat.