To judge whether the foot is fractured after breaking the foot, it is necessary to go through the appearance, abnormal activities, auxiliary examination, etc., as follows: 1. Appearance: first of all, we should judge the appearance, if there is obvious displaced fracture, deformity can be seen in the appearance of the foot, which can be directly judged as a fracture. 2. Abnormal activities: you can observe that there is an abnormal activity on the local bone, or touch with your hand and feel that there is a sound of bone friction, which can be judged as a fracture. 3. 3, auxiliary examination: if only accompanied by the swelling of the ankle joint, and does not appear the above proprietary signs, need to carry out X-ray examination, through the X-ray can observe the slight fracture, bone fracture, stability fracture and so on. In the clinic, as long as the fracture occurs, it must be braked with plaster, and the time of braking is usually about six weeks, and the plaster can be removed for functional exercise only after six weeks.