Periostitis is a condition caused by the enlargement, congestion, edema, or hematoma of periosteum and periosteal blood vessels, as well as by the proliferation and inflammatory changes of the periosteum. It can result from a slow periosteal injury or an infectious periosteal damage caused by the invasion of pus-forming bacteria. It is recommended to use topical medications for treatment, and internally, patients can take herbal medicines that soothe muscle stiffness, reduce swelling, relieve pain, promote blood circulation, eliminate blood stasis, dispel wind and dispel cold. It is suggested that patients pay attention to their diet and avoid spicy foods. Rest more!