According to the different classifications of osteomyelitis, the prevalent sites are also different, as follows: 1. Hematogenous, childhood, and infantile osteomyelitis, which are usually found in the epiphysis, and in the case of adult patients, many bone tissues throughout the body may form infection; 2. Traumatic osteomyelitis, from clinical statistics, the proportional number of osteomyelitis formed due to trauma is higher in the lower limbs than in the upper limbs. The site of onset of osteomyelitis, the clinical statistics, the preferred site lower limb area than the upper limb area. However, it still depends on the specific cause of the onset, especially traumatic, which is mostly seen in the lower extremity. Therefore, if a patient has discomfort in a certain part of the body, it is also possible that the process of osteomyelitis is formed.