Fatigue periostitis is a condition in which the structure of the periosteum and bone is damaged by improper exercise and other factors, resulting in subperiosteal edema, bruising, and so on, leading to the formation of periostitis. Fatigue periostitis occurs in the ulna, radius, tibia, fibula, and phalanges of people who do not exercise properly, such as those who exercise for the first time or increase the amount of exercise. Osteochondritis is formed when the periosteum, to which the muscles are attached, is pulled for a long period of time, causing the periosteal tissues to loosen or separate, resulting in subperiosteal bruising. It is often manifested by symptoms such as pain and requires prompt treatment. Fatigue periostitis is a kind of stress injury, often manifested as pain after a large amount of exercise, local soft tissue mild swelling, in the corresponding periosteum may feel the pressure point, some people in the early stage of the skin may appear red and accompanied by localized fever and other manifestations. For early or mild symptoms, you can use local elastic bandage to reduce the load to promote recovery; severe symptoms, in addition to reducing the load can also be warm water immersion, massage, elevation of the affected limb and other methods to alleviate the symptoms. In daily life, we should pay attention to avoid suddenly and continuously increase the amount of exercise, timely correction of the wrong action and other methods to avoid the occurrence of fatigue osteochondritis dissecans, feel uncomfortable to go to the hospital in time to diagnose and treat.