The main symptoms of toe osteomyelitis include: 1. pain in the foot, the main cause of osteomyelitis is bacterial infection, which enters the bone marrow cavity, thus causing bacteria to parasitize the bone marrow, causing repeated inflammation, with the presence of inflammation there will be pain. 2. redness and swelling, due to the massive multiplication of bacteria, the inflammation of the surrounding tissue is more obvious, redness and swelling appear, and tenderness is obvious. 3. repeated flow of pus, skin ulceration, with the amount of bacterial reproduction, the redness and swelling range gradually increases, when the skin breaks. 4. The redness and swelling increase gradually, and when the skin is broken, pus will appear. 4. fever, for bacterial virulence is relatively strong, the infection is more obvious, can appear generalized fever. 5. walking dysfunction, in the early stage of osteomyelitis will appear walking pain, but does not affect normal life, with the further aggravation of osteomyelitis will lead to pain significantly affect normal walking. 6. imaging manifestations of bone The imaging manifestation is bone destruction, defect, necrosis, especially for advanced X-ray examination can see the formation of dead bone and large area of bone destruction.