If the foot is smashed, there is redness and swelling and bruising, the first thing you should do is to go to the hospital as soon as possible for an X-ray of the foot to rule out the possibility of a fracture. If there is a fracture, it should be fixed in a cast or surgically treated. If fracture is ruled out, soft tissue injury is considered. Within 24-48 hours, local ice or cold compresses can be applied to the bruised or swollen area after wrapping with ice towels to help reduce capillary exudation and reduce the swelling and bruising. After 48 hours, you can apply local hot compresses or microwave or infrared physiotherapy to promote local blood circulation and reduce inflammatory exudation, which is beneficial to reduce swelling and inflammation. If the pain is more obvious, local braking at the same time to give some oral pain medication, commonly used clinically are fenbid or tramadol tablets. In addition, during the patient’s foot smash as little activity as possible, more bed rest, rest will be lower limbs for elevation, help to reduce edema.