A smashed foot can be treated in several ways: first, take an X-ray, and if there is no fracture or dislocation, the affected limb should be treated with continuous cold compresses and braked and elevated. If the swelling is not obvious, you can also use an elastic bandage with pressure bandage fixed, generally after about two weeks, can gradually recover. However, the skin color of the dorsum of the foot should be closely monitored for darkening and skin necrosis. Second, if the X-ray film shows that there is a foot fracture, it should be promptly reset and fixed, either by external fixation or by incision and internal fixation, so as to reset the fractured end as well as the dislocated joint and restore the original anatomical relationship, which usually takes 6-12 weeks and can make the injured part recover gradually. Patients should insist on rehabilitation training during the recovery period and take the initiative to move the toes and ankle joints to avoid stiffness of the joints.