The determination of fracture of a broken foot is based on the history, physical examination, and auxiliary examination, such as the presence of rattling, local deformity, and bone rubbing sensation. 1. Medical history: there is usually a noticeable rattling sound when you break your foot, which is caused by bone fracture. 2. Physical examination: If there is fracture localized swelling, bruising, fracture displacement there will be local deformity, can not walk, local inspection of bone rubbing sensation, ankle joint activity is limited. Localized pressure pain is obvious. Through the MRI examination can determine whether there is ligament damage. 3. Auxiliary examination: X-ray and CT to check the bone fracture and whether there is displacement. Through the above methods can determine the fracture, according to the degree of fracture to take conservative treatment, such as plaster fixation, surgical treatment of incision reduction internal fixation surgery. It is recommended to go to the hospital in time when your foot is broken.