For periostitis of the arm, there are two possibilities: first, non-specific periostitis, non-infectious periostitis, usually related to strain and excessive activity, lifting heavy objects or previous inactivity, sudden strenuous activity, traction on the periosteum, resulting in tears and injury, there will be congestion, inflammatory material accumulation, and prolonged strain will also cause lactic acid accumulation, resulting in swelling and pain of the periosteum, This can lead to painful periostitis, when the periosteum is painful and the whole arm feels painful, swollen and restricted, and in severe cases, it cannot lift or carry heavy objects, which affects life and work. Second, periostitis is due to trauma, or other infections caused by septic, or infectious periostitis, this condition, generally related to fractures, trauma and bacterial infection, there may be pain, swelling in addition to redness, heat, skin redness, increased skin temperature, may also affect the systemic fever and infection, arm periostitis in this case, you need to pay attention to, according to the infection of the situation symptomatic If there is a large accumulation of pus, an incision and drainage will be required.