The symptoms of osteomyelitis are quite varied. First of all, it needs to be typed, some of them may be related to trauma and other causes, or the direct cause of the disease may not be found. Therefore, clinically, it is divided into traumatic osteomyelitis as well as hematogenous osteomyelitis. Patients may have systemic symptoms in the early stages, such as fever and sweating, and may also have redness, swelling, oozing, fistula tracts, or be accompanied by pain. Symptoms of the disease are as follows: 1. Osteomyelitis of hematogenous origin: patients may have more severe systemic symptoms in the early stage, such as fever, sweating, decreased appetite, drowsiness, etc.; 2. Chronic osteomyelitis: fistulas may be formed. Therefore, the symptoms of the disease are sometimes not richly manifested, and patients may only have mild pain, which may be accompanied by deformity of the affected limb. It is necessary to focus on the clinical symptoms, and to make a comprehensive assessment from the whole body and localization. Because of the richness of the clinical symptoms of osteomyelitis, it is important to observe the specific site of its onset.