Post-traumatic osteomyelitis （PTO） is a worldwide problem in the field of orthopaedic trauma. So far, there is no ideal treatment or consensus-based gold standard for its management. This paper reviews the representative literature focusing on PTO, mainly from the following four aspects: （1） the pathophysiological mechanism of PTO and the interaction mechanism between bacteria and the body, including fracture stress, different components of internal fixation devices, immune response, occurrence and development mechanisms of inflammation in PTO, as well as the occurrence and development mechanisms of PTO in skeletal system; （2） clinical classification, mainly the etiological classification, histological classification, anatomical classification and the newly proposed new classifications （a brief analysis of their scope and limitations）; （3） imaging diagnosis, including non-invasive examination and invasive examination （this paper discusses their advantages and disadvantages respectively, and briefly compares the sensitivity and effectiveness of the current examinations）; and （4） strategies, including antibiotic administration, surgical choices and other treatment programs. Based on the above-mentioned four aspects, we try to put forward some noteworthy sections, in order to make the existing opinions more specific.
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