If your foot is smashed, red, swollen, and bruised purple, you should first go to the hospital as soon as possible for an X-ray of your foot to rule out a fracture. If there is a fracture, it should be immobilized in a cast or treated surgically. If the possibility of fracture is ruled out, and soft tissue injury is considered, within 24-48 hours, local ice or cold compresses can be applied, wrapped in ice towels and then ice compresses can be applied to the bruised or swollen areas, which will help to reduce capillary exudation and reduce the swelling and bruising phenomenon. After 48 hours, you can apply hot compresses or microwave or infrared therapy to promote local blood circulation and reduce inflammation, which is conducive to swelling and anti-inflammatory. If the pain is more obvious, local braking at the same time to give some oral pain medication, clinically commonly used fenbid or tramadol tablets. In addition, during the patient’s foot smashed as little activity as possible, more bed rest, rest will be the lower limbs for elevation, is conducive to reducing edema.