The itchiness of the fracture may be due to the growth of bone scab, or it may be due to allergy or infection. The growth of bone scab after fracture is a gradual process, during which the pain will gradually disappear. The process of growing bone scab usually has no special feeling, but some patients may feel localized itching. In addition, the itchy fracture can also be caused by plaster, tape irritation or allergy. Therefore, the local skin should be cleaned properly, changed regularly, and it is best to use anti-allergic tape. In addition to the above reasons, it may also be caused by microbial infection. If any of the above symptoms occur, it is recommended to go to the hospital in time for early and regular treatment.